meta-nuvoton: Cleanup for Yocto override syntax change

Cleanup with
```
convert-overrides.py meta-google
```

Left over `_`.
```
$ git grep "_[a-z0-9_/-]*[ :]" -- meta-nuvoton
meta-nuvoton/conf/layer.conf:BBFILE_PATTERN_nuvoton-layer = ""
meta-nuvoton/conf/layer.conf:LAYERVERSION_nuvoton-layer = "1"
meta-nuvoton/conf/layer.conf:LAYERSERIES_COMPAT_nuvoton-layer = "gatesgarth hardknott"
meta-nuvoton/conf/machine/include/nuvoton.inc:PREFERRED_PROVIDER_virtual/kernel ?= "linux-nuvoton"
meta-nuvoton/conf/machine/include/nuvoton.inc:PREFERRED_PROVIDER_virtual/bootloader ?= "u-boot-nuvoton"
meta-nuvoton/conf/machine/include/nuvoton.inc:PREFERRED_PROVIDER_u-boot ?= "u-boot-nuvoton"
meta-nuvoton/conf/machine/include/nuvoton.inc:PREFERRED_PROVIDER_u-boot-fw-utils ?= "u-boot-fw-utils-nuvoton"
meta-nuvoton/recipes-bsp/images/npcm7xx-bingo-native_git.bb:do_install () {
meta-nuvoton/recipes-bsp/images/npcm7xx-bootblock_10.10.17.bb:do_deploy () {
meta-nuvoton/recipes-bsp/images/npcm7xx-bootblock_10.10.17.bb:addtask deploy before do_build after do_compile
meta-nuvoton/recipes-bsp/u-boot/u-boot-fw-utils-nuvoton_git.bb:SUMMARY = "U-Boot bootloader fw_printenv/setenv utilities"
meta-nuvoton/recipes-bsp/u-boot/u-boot-fw-utils-nuvoton_git.bb:do_compile () {
meta-nuvoton/recipes-bsp/u-boot/u-boot-fw-utils-nuvoton_git.bb:  oe_runmake ${UBOOT_MACHINE}
meta-nuvoton/recipes-bsp/u-boot/u-boot-fw-utils-nuvoton_git.bb:  oe_runmake envtools
meta-nuvoton/recipes-bsp/u-boot/u-boot-fw-utils-nuvoton_git.bb:do_install () {
meta-nuvoton/recipes-bsp/u-boot/u-boot-fw-utils-nuvoton_git.bb:  install -m 755 ${S}/tools/env/fw_printenv ${D}${base_sbindir}/fw_printenv
meta-nuvoton/recipes-bsp/u-boot/u-boot-fw-utils-nuvoton_git.bb:  install -m 755 ${S}/tools/env/fw_printenv ${D}${base_sbindir}/fw_setenv
meta-nuvoton/recipes-bsp/u-boot/u-boot-fw-utils-nuvoton_git.bb:do_install:class-cross () {
meta-nuvoton/recipes-bsp/u-boot/u-boot-fw-utils-nuvoton_git.bb:  install -m 755 ${S}/tools/env/fw_printenv ${D}${bindir_cross}/fw_printenv
meta-nuvoton/recipes-bsp/u-boot/u-boot-fw-utils-nuvoton_git.bb:  install -m 755 ${S}/tools/env/fw_printenv ${D}${bindir_cross}/fw_setenv
meta-nuvoton/recipes-bsp/u-boot/u-boot-fw-utils-nuvoton_git.bb: sysroot_stage_dir ${D}${bindir_cross} ${SYSROOT_DESTDIR}${bindir_cross}
meta-nuvoton/recipes-bsp/u-boot/u-boot-nuvoton.inc:do_configure () {
meta-nuvoton/recipes-bsp/u-boot/u-boot-nuvoton.inc:            oe_runmake -C ${S} O=${B} ${UBOOT_MACHINE}
meta-nuvoton/recipes-bsp/u-boot/u-boot-nuvoton.inc:            oe_runmake -C ${S} O=${B} oldconfig
meta-nuvoton/recipes-bsp/u-boot/u-boot-nuvoton.inc:do_compile () {
meta-nuvoton/recipes-bsp/u-boot/u-boot-nuvoton.inc:                    oe_runmake -C ${S} O=${B}/${config} ${config}
meta-nuvoton/recipes-bsp/u-boot/u-boot-nuvoton.inc:                    oe_runmake -C ${S} O=${B}/${config} ${UBOOT_MAKE_TARGET}
meta-nuvoton/recipes-bsp/u-boot/u-boot-nuvoton.inc:        oe_runmake -C ${S} O=${B} ${UBOOT_MAKE_TARGET}
meta-nuvoton/recipes-bsp/u-boot/u-boot-nuvoton.inc:do_install () {
meta-nuvoton/recipes-bsp/u-boot/u-boot-nuvoton.inc:do_deploy () {
meta-nuvoton/recipes-bsp/u-boot/u-boot-nuvoton.inc:addtask deploy before do_build after do_compile
```

Change-Id: Ic6969f12049c0d843009c4b754ab87ecff568a07
Signed-off-by: Willy Tu <wltu@google.com>
diff --git a/meta-nuvoton/conf/layer.conf b/meta-nuvoton/conf/layer.conf
index 15d4b97..946ac23 100644
--- a/meta-nuvoton/conf/layer.conf
+++ b/meta-nuvoton/conf/layer.conf
@@ -7,4 +7,4 @@
 BBFILE_COLLECTIONS += "nuvoton-layer"
 BBFILE_PATTERN_nuvoton-layer = ""
 LAYERVERSION_nuvoton-layer = "1"
-LAYERSERIES_COMPAT_nuvoton-layer = "gatesgarth hardknott"
+LAYERSERIES_COMPAT_nuvoton-layer = "gatesgarth hardknott honister"
diff --git a/meta-nuvoton/conf/machine/include/tune-arm7a-novfp.inc b/meta-nuvoton/conf/machine/include/tune-arm7a-novfp.inc
index 18730db..b8c6d8c 100644
--- a/meta-nuvoton/conf/machine/include/tune-arm7a-novfp.inc
+++ b/meta-nuvoton/conf/machine/include/tune-arm7a-novfp.inc
@@ -5,7 +5,7 @@
 TUNEVALID[arm7a-novfp] = "Enable arm7a-novfp specific processor optimizations"
 
 AVAILTUNES += "arm7a-novfp"
-ARMPKGARCH_tune-arm7a-novfp = "armv7a"
-TUNE_FEATURES_tune-armv7a = "arm armv7a"
-TUNE_FEATURES_tune-arm7a-novfp = "${TUNE_FEATURES_tune-armv7a} arm7a-novfp"
-PACKAGE_EXTRA_ARCHS_tune-arm7a-novfp = "${PACKAGE_EXTRA_ARCHS_tune-armv7a}"
+ARMPKGARCH:tune-arm7a-novfp = "armv7a"
+TUNE_FEATURES:tune-armv7a = "arm armv7a"
+TUNE_FEATURES:tune-arm7a-novfp = "${TUNE_FEATURES:tune-armv7a} arm7a-novfp"
+PACKAGE_EXTRA_ARCHS:tune-arm7a-novfp = "${PACKAGE_EXTRA_ARCHS:tune-armv7a}"
diff --git a/meta-nuvoton/recipes-bsp/u-boot/u-boot-fw-utils-nuvoton_git.bb b/meta-nuvoton/recipes-bsp/u-boot/u-boot-fw-utils-nuvoton_git.bb
index 7fc880f..4ccfdd1 100644
--- a/meta-nuvoton/recipes-bsp/u-boot/u-boot-fw-utils-nuvoton_git.bb
+++ b/meta-nuvoton/recipes-bsp/u-boot/u-boot-fw-utils-nuvoton_git.bb
@@ -5,10 +5,10 @@
 
 PROVIDES += "u-boot-fw-utils"
 
-INSANE_SKIP_${PN} = "already-stripped"
+INSANE_SKIP:${PN} = "already-stripped"
 
-EXTRA_OEMAKE_class-target = 'CROSS_COMPILE="${TARGET_PREFIX}" HOSTCC="${BUILD_CC} ${BUILD_FLAGS} ${BUILD_LDFLAGS}" CC="${CC} ${CFLAGS} ${LDFLAGS}" STRIP=true V=1'
-EXTRA_OEMAKE_class-cross = 'ARCH=${TARGET_ARCH} CC="${CC} ${CFLAGS} ${LDFLAGS}" V=1'
+EXTRA_OEMAKE:class-target = 'CROSS_COMPILE="${TARGET_PREFIX}" HOSTCC="${BUILD_CC} ${BUILD_FLAGS} ${BUILD_LDFLAGS}" CC="${CC} ${CFLAGS} ${LDFLAGS}" STRIP=true V=1'
+EXTRA_OEMAKE:class-cross = 'ARCH=${TARGET_ARCH} CC="${CC} ${CFLAGS} ${LDFLAGS}" V=1'
 
 inherit uboot-config
 
@@ -25,13 +25,13 @@
   install -m 0644 ${S}/tools/env/fw_env.config ${D}${sysconfdir}/fw_env.config
 }
 
-do_install_class-cross () {
+do_install:class-cross () {
   install -d ${D}${bindir_cross}
   install -m 755 ${S}/tools/env/fw_printenv ${D}${bindir_cross}/fw_printenv
   install -m 755 ${S}/tools/env/fw_printenv ${D}${bindir_cross}/fw_setenv
 }
 
-SYSROOT_PREPROCESS_FUNCS_class-cross = "uboot_fw_utils_cross"
+SYSROOT_PREPROCESS_FUNCS:class-cross = "uboot_fw_utils_cross"
 uboot_fw_utils_cross() {
 	sysroot_stage_dir ${D}${bindir_cross} ${SYSROOT_DESTDIR}${bindir_cross}
 }
diff --git a/meta-nuvoton/recipes-bsp/u-boot/u-boot-nuvoton.inc b/meta-nuvoton/recipes-bsp/u-boot/u-boot-nuvoton.inc
index 60c722d..40fb5ad 100644
--- a/meta-nuvoton/recipes-bsp/u-boot/u-boot-nuvoton.inc
+++ b/meta-nuvoton/recipes-bsp/u-boot/u-boot-nuvoton.inc
@@ -228,7 +228,7 @@
 
 }
 
-FILES_${PN} = "/boot ${sysconfdir} ${datadir}"
+FILES:${PN} = "/boot ${sysconfdir} ${datadir}"
 
 do_deploy () {
     if [ -n "${UBOOT_CONFIG}" ]
diff --git a/meta-nuvoton/recipes-kernel/linux/linux-nuvoton.inc b/meta-nuvoton/recipes-kernel/linux/linux-nuvoton.inc
index fd68032..d965790 100644
--- a/meta-nuvoton/recipes-kernel/linux/linux-nuvoton.inc
+++ b/meta-nuvoton/recipes-kernel/linux/linux-nuvoton.inc
@@ -8,7 +8,7 @@
 
 KSRC ?= "git://github.com/openbmc/linux;protocol=git;branch=${KBRANCH}"
 SRC_URI = "${KSRC}"
-SRC_URI_append_npcm7xx = " file://defconfig"
+SRC_URI:append:npcm7xx = " file://defconfig"
 
 LINUX_VERSION_EXTENSION ?= "-${SRCREV}"