meta-secure-core: Convert to new override syntax

Converting the metadata to use ":" as the override character instead of "_".

Signed-off-by: Yi Zhao <yi.zhao@windriver.com>

meta-encrypted-storage/recipes-base/packagegroups/packagegroup-luks-initramfs.bb

@@ -2,7 +2,7 @@ DESCRIPTION = "The packages used for luks in initramfs."
 
 require packagegroup-luks.inc
 
-RDEPENDS_${PN} += "\
+RDEPENDS:${PN} += "\
     cryptfs-tpm2-initramfs \
     ${@bb.utils.contains('DISTRO_FEATURES', 'tpm2', 'packagegroup-tpm2-initramfs', '', d)} \
 "

meta-encrypted-storage/recipes-base/packagegroups/packagegroup-luks.bb

@@ -6,7 +6,7 @@ require packagegroup-luks.inc
 # The common packages shared between initramfs and rootfs
 # are listed in the .inc.
 
-RDEPENDS_${PN} += "\
+RDEPENDS:${PN} += "\
     util-linux-fdisk \
     parted \
     packagegroup-tpm2 \

meta-encrypted-storage/recipes-base/packagegroups/packagegroup-luks.inc

@@ -3,11 +3,11 @@ LIC_FILES_CHKSUM = "\
     file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302 \
 "
 
-ALLOW_EMPTY_${PN} = "1"
+ALLOW_EMPTY:${PN} = "1"
 
 S = "${WORKDIR}"
 
-RDEPENDS_${PN} += "\
+RDEPENDS:${PN} += "\
     cryptfs-tpm2 \
     lvm2-udevrules \
 "