[openwrt/openwrt] stm32: use kernel 6.12 by default

[LEDE Commits]

nick pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/6529ac4a31b34a447125bee805e0845a22c6b2cd

commit 6529ac4a31b34a447125bee805e0845a22c6b2cd
Author: Thomas Richard <thomas.richard at bootlin.com>
AuthorDate: Mon Oct 20 14:20:22 2025 +0200

    stm32: use kernel 6.12 by default
    
    Switch to Linux kernel 6.12.
    
    Signed-off-by: Thomas Richard <thomas.richard at bootlin.com>
    Link: https://github.com/openwrt/openwrt/pull/20468
    Signed-off-by: Nick Hainke <vincent at systemli.org>
---
 target/linux/stm32/Makefile | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/target/linux/stm32/Makefile b/target/linux/stm32/Makefile
index 9c4839a85b..93075e445d 100644
--- a/target/linux/stm32/Makefile
+++ b/target/linux/stm32/Makefile
@@ -11,8 +11,7 @@ FEATURES:=boot-part emmc ext4 gpio rtc usb
 SUBTARGETS:=stm32mp1
 CPU_TYPE:=
 
-KERNEL_PATCHVER:=6.6
-KERNEL_TESTING_PATCHVER:=6.12
+KERNEL_PATCHVER:=6.12
 
 include $(INCLUDE_DIR)/target.mk