[openwrt/openwrt] mxs: add 6.12 kernel as testing

[LEDE Commits]

wigyori pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/769e9efd67c69b048cb86fe1ce9039b00fd980e9

commit 769e9efd67c69b048cb86fe1ce9039b00fd980e9
Author: Zoltan HERPAI <wigyori at uid0.hu>
AuthorDate: Fri May 2 15:16:59 2025 +0200

    mxs: add 6.12 kernel as testing
    
    Allow selecting 6.12 as testing kernel on mxs.
    
    Runtime-tested:
     - Olinuxino Micro
    
    Signed-off-by: Zoltan HERPAI <wigyori at uid0.hu>
---
 target/linux/mxs/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/mxs/Makefile b/target/linux/mxs/Makefile
index 07239c0e17..bd6daeec24 100644
--- a/target/linux/mxs/Makefile
+++ b/target/linux/mxs/Makefile
@@ -12,6 +12,7 @@ CPU_TYPE:=arm926ej-s
 SUBTARGETS:=generic
 
 KERNEL_PATCHVER:=6.6
+KERNEL_TESTING_PATCHVER:=6.12
 
 KERNELNAME:=zImage dtbs