[openwrt/openwrt] mvebu: add kernel 6.1 as testing kernel

[LEDE Commits]

lynxis pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/801c67b4e09b16ac4a2b8a9fbde76d37cd67d91f

commit 801c67b4e09b16ac4a2b8a9fbde76d37cd67d91f
Author: Stefan Kalscheuer <stefan at stklcode.de>
AuthorDate: Sun Jun 18 17:06:57 2023 +0200

    mvebu: add kernel 6.1 as testing kernel
    
    With an initial set of patches and configs in place let's start testing
    with kernel 6.1.
    
    Run-tested on the cortexa9 subtarget (WRT1900ACS, Turris Omnia)
    
    Tested-by: Etienne Champetier <champetier.etienne at gmail.com>
    Signed-off-by: Stefan Kalscheuer <stefan at stklcode.de>
---
 target/linux/mvebu/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/mvebu/Makefile b/target/linux/mvebu/Makefile
index 2971f3fcaf..9f5d374abd 100644
--- a/target/linux/mvebu/Makefile
+++ b/target/linux/mvebu/Makefile
@@ -10,6 +10,7 @@ FEATURES:=fpu usb pci pcie gpio nand squashfs ramdisk boot-part rootfs-part lega
 SUBTARGETS:=cortexa9 cortexa53 cortexa72
 
 KERNEL_PATCHVER:=5.15
+KERNEL_TESTING_PATCHVER:=6.1
 
 include $(INCLUDE_DIR)/target.mk