[openwrt/openwrt] stm32: enable 6.12 testing kernel

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/b1e93ee54f8f104fbf2d28ec92b35131eff0c197

commit b1e93ee54f8f104fbf2d28ec92b35131eff0c197
Author: Thomas Richard <thomas.richard at bootlin.com>
AuthorDate: Mon May 5 10:30:35 2025 +0200

    stm32: enable 6.12 testing kernel
    
    The stm32 target now supports 6.12 kernel as testing.
    
    Signed-off-by: Thomas Richard <thomas.richard at bootlin.com>
    Link: https://github.com/openwrt/openwrt/pull/18740
    Signed-off-by: Hauke Mehrtens <hauke at hauke-m.de>
---
 target/linux/stm32/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/stm32/Makefile b/target/linux/stm32/Makefile
index 3020d0b2b8..9c4839a85b 100644
--- a/target/linux/stm32/Makefile
+++ b/target/linux/stm32/Makefile
@@ -12,6 +12,7 @@ SUBTARGETS:=stm32mp1
 CPU_TYPE:=
 
 KERNEL_PATCHVER:=6.6
+KERNEL_TESTING_PATCHVER:=6.12
 
 include $(INCLUDE_DIR)/target.mk