[openwrt/openwrt] uml: switch to Kernel 5.15

[LEDE Commits]

chunkeey pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/50d20db6a8fd2aaed3322578c6e5a2960a8d3f4d

commit 50d20db6a8fd2aaed3322578c6e5a2960a8d3f4d
Author: Christian Lamparter <chunkeey at gmail.com>
AuthorDate: Sat Dec 3 22:20:37 2022 +0100

    uml: switch to Kernel 5.15
    
    Switch over from testing version.
    
    Signed-off-by: Christian Lamparter <chunkeey at gmail.com>
---
 target/linux/uml/Makefile | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/target/linux/uml/Makefile b/target/linux/uml/Makefile
index 90770cc0e4..9f6b9644f8 100644
--- a/target/linux/uml/Makefile
+++ b/target/linux/uml/Makefile
@@ -13,8 +13,7 @@ BOARD:=uml
 BOARDNAME:=User Mode Linux
 FEATURES:=audio ext4 rootfs-part squashfs
 
-KERNEL_PATCHVER:=5.10
-KERNEL_TESTING_PATCHVER:=5.15
+KERNEL_PATCHVER:=5.15
 
 include $(INCLUDE_DIR)/target.mk