[openwrt/openwrt] malta: enable testing kernel 5.15

[LEDE Commits]

dangole pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/09f620019867365ed82a4b3d1d264f7a282f0941

commit 09f620019867365ed82a4b3d1d264f7a282f0941
Author: Daniel Golle <daniel at makrotopia.org>
AuthorDate: Mon Mar 28 01:58:16 2022 +0100

    malta: enable testing kernel 5.15
    
    Nothing special is needed here, just add KERNEL_TESTING_PATCHVER.
    
    Signed-off-by: Daniel Golle <daniel at makrotopia.org>
---
 target/linux/malta/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/malta/Makefile b/target/linux/malta/Makefile
index ab443fda09..7259cff4e9 100644
--- a/target/linux/malta/Makefile
+++ b/target/linux/malta/Makefile
@@ -11,6 +11,7 @@ INITRAMFS_EXTRA_FILES:=
 FEATURES:=cpiogz ext4 ramdisk squashfs targz
 
 KERNEL_PATCHVER:=5.10
+KERNEL_TESTING_PATCHVER:=5.15
 
 include $(INCLUDE_DIR)/target.mk