meta-phosphor: prep for new override syntax

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I588025b614416c43aa2d053765ab53bacf890cb5
diff --git a/meta-phosphor/recipes-phosphor/mboxd/mboxd_git.bb b/meta-phosphor/recipes-phosphor/mboxd/mboxd_git.bb
index 22d38b8..1b91ba3 100644
--- a/meta-phosphor/recipes-phosphor/mboxd/mboxd_git.bb
+++ b/meta-phosphor/recipes-phosphor/mboxd/mboxd_git.bb
@@ -25,7 +25,7 @@
 MBOXD_FLASH_SIZE ??= "32M"
 SYSTEMD_SUBSTITUTIONS += "FLASH_SIZE:${MBOXD_FLASH_SIZE}:${PN}.service"
 
-do_install_append() {
+do_install:append() {
     install -d ${D}/lib/udev/rules.d
     install -m 0644 ${WORKDIR}/99-aspeed-lpc-ctrl.rules ${D}/lib/udev/rules.d
 }
@@ -35,10 +35,10 @@
 INSTFMT = "mboxd-reload@{0}.service"
 FMT = "../${TMPL}:${TGTFMT}.wants/${INSTFMT}"
 
-SYSTEMD_SERVICE_${PN} += "mboxd.service"
-SYSTEMD_SERVICE_${PN} += "mboxd-reload@.service"
+SYSTEMD_SERVICE:${PN} += "mboxd.service"
+SYSTEMD_SERVICE:${PN} += "mboxd-reload@.service"
 SYSTEMD_LINK_${PN} += "${@compose_list(d, 'FMT', 'OBMC_HOST_INSTANCES')}"
 
 # Enable virtual-pnor by DISTRO_FEATURE openpower-virtual-pnor.
-PACKAGECONFIG_append_df-openpower-virtual-pnor = " virtual-pnor"
+PACKAGECONFIG:append:df-openpower-virtual-pnor = " virtual-pnor"
 PACKAGECONFIG[virtual-pnor] = "--enable-virtual-pnor,--disable-virtual-pnor"