[openwrt/openwrt] layerscape: switch kernel testing to 5.15

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/23b9b01cdd612bfa46620cd505285707b164e891

commit 23b9b01cdd612bfa46620cd505285707b164e891
Author: Pawel Dembicki <paweldembicki at gmail.com>
AuthorDate: Wed Oct 19 21:59:40 2022 +0200

    layerscape: switch kernel testing to 5.15
    
    Let's test layerscape with 5.15 kernel.
    
    Run tested: LS1012A-FRDM, LS1046A-RDB (nor and sd-boot images),
                LS1021A-IOT (By @ArtelMike with u-boot fix)
    
    Signed-off-by: Pawel Dembicki <paweldembicki at gmail.com>
---
 target/linux/layerscape/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/linux/layerscape/Makefile b/target/linux/layerscape/Makefile
index 5bdbb5bfcd..a974c01929 100644
--- a/target/linux/layerscape/Makefile
+++ b/target/linux/layerscape/Makefile
@@ -7,7 +7,7 @@ include $(TOPDIR)/rules.mk
 BOARD:=layerscape
 BOARDNAME:=NXP Layerscape
 KERNEL_PATCHVER:=5.10
-KERNEL_TESTING_PATCHVER:=5.10
+KERNEL_TESTING_PATCHVER:=5.15
 FEATURES:=squashfs nand usb pcie gpio fpu ubifs ext4 rootfs-part boot-part
 SUBTARGETS:=armv8_64b armv7