meta-facebook: prep for new override syntax

Ran `scripts/contrib/convert-overrides.py` from upstream Yocto and
fixed up a few by hand that were missed.

Tested: Built bletchley and tiogapass.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I0489ba007132901697e4ef1a29b03a3591b3ee3b
diff --git a/meta-facebook/recipes-phosphor/flash/phosphor-software-manager_%.bbappend b/meta-facebook/recipes-phosphor/flash/phosphor-software-manager_%.bbappend
index 2d03632..047f019 100644
--- a/meta-facebook/recipes-phosphor/flash/phosphor-software-manager_%.bbappend
+++ b/meta-facebook/recipes-phosphor/flash/phosphor-software-manager_%.bbappend
@@ -1,10 +1,10 @@
-FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
+FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
 SRC_URI += "file://bios-update.sh"
 
-PACKAGECONFIG_append = " flash_bios"
-RDEPENDS_${PN} += "bash"
+PACKAGECONFIG:append = " flash_bios"
+RDEPENDS:${PN} += "bash"
 
-do_install_append() {
+do_install:append() {
     install -d ${D}/${sbindir}
     install -m 0755 ${WORKDIR}/bios-update.sh ${D}/${sbindir}/
 }