[openwrt/openwrt] at91: switch to Kernel 5.15 by default

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/acb189179c5ca364e45fa2d704cc29f32ca9333e

commit acb189179c5ca364e45fa2d704cc29f32ca9333e
Author: Paul Spooren <mail at aparcar.org>
AuthorDate: Wed Feb 22 19:40:20 2023 +0100

    at91: switch to Kernel 5.15 by default
    
    Getting ready for the next release.
    
    Claudiu said:
    > I tested v5.15 on all targets I have access to previously, when
    > updating OpenWrt kernel for v5.15 and when preparing this PR. (#11918)
    
    Signed-off-by: Paul Spooren <mail at aparcar.org>
    Reviewed-by: Claudiu Beznea <claudiu.beznea at microchip.com>
---
 target/linux/at91/Makefile | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/target/linux/at91/Makefile b/target/linux/at91/Makefile
index 20dc43cb9e..7867290b7e 100644
--- a/target/linux/at91/Makefile
+++ b/target/linux/at91/Makefile
@@ -10,8 +10,7 @@ BOARDNAME:=Microchip (Atmel AT91)
 FEATURES:=ext4 squashfs targz usbgadget ubifs
 SUBTARGETS:=sama7 sama5 sam9x
 
-KERNEL_PATCHVER:=5.10
-KERNEL_TESTING_PATCHVER:=5.15
+KERNEL_PATCHVER:=5.15
 
 include $(INCLUDE_DIR)/target.mk