[openwrt/openwrt] bcm47xx: enable 6.12 testing kernel

[LEDE Commits]

ansuel pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/e61b1523bb4fceb6a7d8e0284a7b50a3bebf754d

commit e61b1523bb4fceb6a7d8e0284a7b50a3bebf754d
Author: Kyle Hendry <kylehendrydev at gmail.com>
AuthorDate: Sat Aug 2 15:12:33 2025 -0700

    bcm47xx: enable 6.12 testing kernel
    
    Allow selecting 6.12 as testing kernel on bcm47xx.
    
    Signed-off-by: Kyle Hendry <kylehendrydev at gmail.com>
    Link: https://github.com/openwrt/openwrt/pull/19708
    Signed-off-by: Christian Marangi <ansuelsmth at gmail.com>
---
 target/linux/bcm47xx/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/bcm47xx/Makefile b/target/linux/bcm47xx/Makefile
index 428fa75e70..5059432e53 100644
--- a/target/linux/bcm47xx/Makefile
+++ b/target/linux/bcm47xx/Makefile
@@ -11,6 +11,7 @@ FEATURES:=squashfs usb
 SUBTARGETS:=generic mips74k legacy
 
 KERNEL_PATCHVER:=6.6
+KERNEL_TESTING_PATCHVER:=6.12
 
 define Target/Description
 	Build firmware images for Broadcom based BCM47xx/53xx routers with MIPS CPU, *not* ARM.