script: fix build error [1/1]

PD#SWPL-64232

Problem:
ERROR: modpost: "get_meson_cpu_version"
[common_drivers/drivers/media/amlogic-media.ko] undefined!

Solution:
an error occurs when the last line of the amlogic_gki.fragment
is not a blank line

Verify:
s4d

Change-Id: Ia0d6c9c464962539e0ca70e7bf226e461b8b2dec
Signed-off-by: wanwei.jiang <wanwei.jiang@amlogic.com>
diff --git a/amlogic_utils.sh b/amlogic_utils.sh
index 00170b1..6d87b7d 100644
--- a/amlogic_utils.sh
+++ b/amlogic_utils.sh
@@ -1,6 +1,7 @@
 #!/bin/bash
 
 function pre_defconfig_cmds() {
+	echo "" >> ${ROOT_DIR}/${FRAGMENT_CONFIG}
 	if [[ ${AMLOGIC_BREAK_GKI} -eq "1" ]]; then
 		echo "CONFIG_AMLOGIC_BREAK_GKI=y" >> ${ROOT_DIR}/${FRAGMENT_CONFIG}
 	else
@@ -21,11 +22,12 @@
 export -f pre_defconfig_cmds
 
 function post_defconfig_cmds() {
-	# check_defconfig
+	# checkout config
 	rm ${ROOT_DIR}/${KERNEL_DIR}/arch/arm64/configs/${DEFCONFIG}
 	pushd ${ROOT_DIR}/${KERNEL_DIR}/${COMMON_DRIVERS_DIR}
-		sed -i '5,${/CONFIG_AMLOGIC_BREAK_GKI/d}' ${ROOT_DIR}/${FRAGMENT_CONFIG}
-		sed -i '5,${/CONFIG_AMLOGIC_IN_KERNEL_MODULES/d}' ${ROOT_DIR}/${FRAGMENT_CONFIG}
+		# sed -i '5,${/CONFIG_AMLOGIC_BREAK_GKI/d}' ${ROOT_DIR}/${FRAGMENT_CONFIG}
+		# sed -i '5,${/CONFIG_AMLOGIC_IN_KERNEL_MODULES/d}' ${ROOT_DIR}/${FRAGMENT_CONFIG}
+		git checkout ${ROOT_DIR}/${FRAGMENT_CONFIG}
 	popd
 }
 export -f post_defconfig_cmds