[openwrt/openwrt] Revert "Revert "mvebu: switch default kernel to 5.15""

[LEDE Commits]

ynezz pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/5f973c1eefa91050f2659c29a276284a7793985b

commit 5f973c1eefa91050f2659c29a276284a7793985b
Author: Petr Štetiar <ynezz at true.cz>
AuthorDate: Mon Dec 19 11:14:41 2022 +0100

    Revert "Revert "mvebu: switch default kernel to 5.15""
    
    This reverts commit 97c77fff28cf001399f33c7bc1ec6687ba18450b as commit
    8be6350f6646 ("generic: 5.15: allow MV88E6xxx built-in when PTP support
    disabled") contains the fix, so lets enable kernel 5.15 on mvebu again.
    
    Signed-off-by: Petr Štetiar <ynezz at true.cz>
---
 target/linux/mvebu/Makefile | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/target/linux/mvebu/Makefile b/target/linux/mvebu/Makefile
index 6a1e0f63f7..2971f3fcaf 100644
--- a/target/linux/mvebu/Makefile
+++ b/target/linux/mvebu/Makefile
@@ -9,8 +9,7 @@ BOARDNAME:=Marvell EBU Armada
 FEATURES:=fpu usb pci pcie gpio nand squashfs ramdisk boot-part rootfs-part legacy-sdcard targz
 SUBTARGETS:=cortexa9 cortexa53 cortexa72
 
-KERNEL_PATCHVER:=5.10
-KERNEL_TESTING_PATCHVER:=5.15
+KERNEL_PATCHVER:=5.15
 
 include $(INCLUDE_DIR)/target.mk