[openwrt/openwrt] bcm53xx: add 6.12 testing kernel

[LEDE Commits]

ansuel pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/bcae238390e8a5a91e075f42f5eba9d065b880ee

commit bcae238390e8a5a91e075f42f5eba9d065b880ee
Author: Stefan Kalscheuer <stefan at stklcode.de>
AuthorDate: Thu Sep 25 13:45:11 2025 +0200

    bcm53xx: add 6.12 testing kernel
    
    Add 6.12 testing kernel for bcm53xx target.
    
    Signed-off-by: Stefan Kalscheuer <stefan at stklcode.de>
    Link: https://github.com/openwrt/openwrt/pull/20167
    Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
---
 target/linux/bcm53xx/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/bcm53xx/Makefile b/target/linux/bcm53xx/Makefile
index b858d2fdbb..2f6e1c4406 100644
--- a/target/linux/bcm53xx/Makefile
+++ b/target/linux/bcm53xx/Makefile
@@ -12,6 +12,7 @@ CPU_TYPE:=cortex-a9
 SUBTARGETS:=generic
 
 KERNEL_PATCHVER:=6.6
+KERNEL_TESTING_PATCHVER:=6.12
 
 define Target/Description
 	Build firmware images for Broadcom based BCM47xx/53xx routers with ARM CPU, *not* MIPS.