[openwrt/openwrt] kirkwood: switch kernel version to 6.1

[LEDE Commits]

robimarko pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/48f108d46b1c2f16fb72b3158b41828a2a5e13ec

commit 48f108d46b1c2f16fb72b3158b41828a2a5e13ec
Author: Pawel Dembicki <paweldembicki at gmail.com>
AuthorDate: Tue Mar 5 22:26:56 2024 +0100

    kirkwood: switch kernel version to 6.1
    
    6.1 testing version was introduced some time ago. Kernel size issues
    are resolved now. Time to bump kernel version.
    
    Signed-off-by: Pawel Dembicki <paweldembicki at gmail.com>
---
 target/linux/kirkwood/Makefile | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/target/linux/kirkwood/Makefile b/target/linux/kirkwood/Makefile
index 424e699157..241fc614c4 100644
--- a/target/linux/kirkwood/Makefile
+++ b/target/linux/kirkwood/Makefile
@@ -11,8 +11,7 @@ FEATURES:=rtc usb nand squashfs ramdisk
 CPU_TYPE:=xscale
 SUBTARGETS:=generic
 
-KERNEL_PATCHVER:=5.15
-KERNEL_TESTING_PATCHVER:=6.1
+KERNEL_PATCHVER:=6.1
 
 include $(INCLUDE_DIR)/target.mk