cros-kernel2: s/CROS_KERNEL_FAMILY/CHROMEOS_KERNEL_FAMILY/

Renaming for being consistent with other kernel vars.

BUG=None
TEST=Build kernel successfully

Cq-Depend: chromium:3488680, chromium:3488681
Change-Id: I2d47df6feaa6e5c57c0852deae5479872986423b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/chromiumos-overlay/+/3485599
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Vineeth Pillai <vineethrp@google.com>
Reviewed-by: Daniel Verkamp <dverkamp@chromium.org>
Commit-Queue: Vineeth Pillai <vineethrp@google.com>
diff --git a/eclass/cros-kernel2.eclass b/eclass/cros-kernel2.eclass
index ab194b5..8bfe5b9 100644
--- a/eclass/cros-kernel2.eclass
+++ b/eclass/cros-kernel2.eclass
@@ -46,22 +46,22 @@
 WIRELESS_VERSIONS=( 4.2 )
 WIRELESS_SUFFIXES=( "${WIRELESS_VERSIONS[@]/.}" )
 
-CROS_KERNEL_FAMILY_VALUES=(
+CHROMEOS_KERNEL_FAMILY_VALUES=(
 	arcvm
 	chromeos
 	manatee
 	termina
 )
 
-CROS_KERNEL_FAMILY_FLAGS=(
-	"${CROS_KERNEL_FAMILY_VALUES[@]/#/cros_kernel_family_}"
+CHROMEOS_KERNEL_FAMILY_FLAGS=(
+	"${CHROMEOS_KERNEL_FAMILY_VALUES[@]/#/chromeos_kernel_family_}"
 )
 
 IUSE="
 	apply_patches
 	-asan
 	buildtest
-	${CROS_KERNEL_FAMILY_FLAGS[*]}
+	${CHROMEOS_KERNEL_FAMILY_FLAGS[*]}
 	+clang
 	-compilation_database
 	-device_tree
@@ -94,7 +94,7 @@
 	-lxc
 "
 REQUIRED_USE="
-	^^ ( ${CROS_KERNEL_FAMILY_FLAGS[*]} )
+	^^ ( ${CHROMEOS_KERNEL_FAMILY_FLAGS[*]} )
 	compilation_database? ( clang )
 	?? ( fit_compression_kernel_lz4 fit_compression_kernel_lzma )
 	frozen_gcc? ( !clang )
@@ -1676,17 +1676,17 @@
 	recovery_ramfs? ( || ( tpm tpm2 ) )
 "
 
-# Get the CROS_KERNEL_FAMILY from the use flags(cros_kernel_family_*).
+# Get the CHROMEOS_KERNEL_FAMILY from the use flags(chromeos_kernel_family_*).
 _get_kernel_family() {
 	local i
-	for i in "${!CROS_KERNEL_FAMILY_FLAGS[@]}"; do
-		if use "${CROS_KERNEL_FAMILY_FLAGS[${i}]}"; then
-			echo "${CROS_KERNEL_FAMILY_VALUES[${i}]}"
+	for i in "${!CHROMEOS_KERNEL_FAMILY_FLAGS[@]}"; do
+		if use "${CHROMEOS_KERNEL_FAMILY_FLAGS[${i}]}"; then
+			echo "${CHROMEOS_KERNEL_FAMILY_VALUES[${i}]}"
 			return
 		fi
 	done
 
-	die "cros kernel family use flag not defined!"
+	die "chromeos kernel family use flag not defined!"
 }
 
 # If an overlay has eclass overrides, but doesn't actually override this
@@ -2313,7 +2313,7 @@
 		if [ -e chromeos/scripts/prepareconfig ] ; then
 			local kernel_family=$(_get_kernel_family)
 			einfo "Using family: ${kernel_family}"
-			CROS_KERNEL_FAMILY="${kernel_family}" chromeos/scripts/prepareconfig \
+			CHROMEOS_KERNEL_FAMILY="${kernel_family}" chromeos/scripts/prepareconfig \
 				"${config}" "${build_cfg}" || die
 		else
 			config="$(eclass_dir)/${cfgarch}_defconfig"
diff --git a/profiles/base/make.defaults b/profiles/base/make.defaults
index 73c12dd..19f6d54 100644
--- a/profiles/base/make.defaults
+++ b/profiles/base/make.defaults
@@ -145,7 +145,7 @@
 
 # ChromeOS-specific: BOARD_USE for accessing board value in cros-board.eclass
 #                    CROS_WORKON_TREE for cros-workon
-#                    CROS_KERNEL_FAMILY for kernel config family
+#                    CHROMEOS_KERNEL_FAMILY for kernel config family
 #                    EC_FIRMWARE for compiling the main EC image
 #                    EC_FIRMWARE_EXTRA for compiling other needed EC images
 #                    FPMCU_FIRMWARE for compiling the fingerprint firmware
@@ -173,7 +173,7 @@
 	${USE_EXPAND}
 	BOARD_USE
 	CROS_WORKON_TREE
-	CROS_KERNEL_FAMILY
+	CHROMEOS_KERNEL_FAMILY
 	EC_FIRMWARE
 	EC_FIRMWARE_EXTRA
 	FPMCU_FIRMWARE
diff --git a/profiles/targets/chromeos/make.defaults b/profiles/targets/chromeos/make.defaults
index 1a45c47..7004d6f 100644
--- a/profiles/targets/chromeos/make.defaults
+++ b/profiles/targets/chromeos/make.defaults
@@ -174,4 +174,4 @@
 LIBDIR_x86="lib"
 
 # Default kernel config family.
-CROS_KERNEL_FAMILY="chromeos"
+CHROMEOS_KERNEL_FAMILY="chromeos"