Revert "families: sm8550: Limit kernel version to 6.18.18"

This reverts commit 9ce5fd3.

Author: kasimling

config/sources/families/sm8550.conf

@@ -16,13 +16,13 @@ enable_extension "image-output-abl"
 case $BRANCH in
 	current)
 		declare -g KERNEL_MAJOR_MINOR="6.18" # Major and minor versions of this kernel.
-		declare -g KERNELBRANCH='tag:v6.18.18'
+		declare -g KERNELBRANCH='branch:linux-6.18.y'
 		declare -g -i KERNEL_GIT_CACHE_TTL=120 # 2 minutes; this is a high-traffic repo
 		;;
 
 	edge)
 		declare -g KERNEL_MAJOR_MINOR="6.18" # Major and minor versions of this kernel.
-		declare -g KERNELBRANCH='tag:v6.18.18'
+		declare -g KERNELBRANCH='branch:linux-6.18.y'
 		declare -g -i KERNEL_GIT_CACHE_TTL=120 # 2 minutes; this is a high-traffic repo
 		;;