[openwrt/openwrt] x86: enable 5.15 as testing kernel

[LEDE Commits]

ynezz pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/9b3bc5d119782f7e1316bf7bbe3ba7382f5e230b

commit 9b3bc5d119782f7e1316bf7bbe3ba7382f5e230b
Author: Petr Štetiar <ynezz at true.cz>
AuthorDate: Mon Mar 28 10:23:37 2022 +0200

    x86: enable 5.15 as testing kernel
    
    So anyone interested can help with new kernel version integration and
    testing.
    
    Signed-off-by: Petr Štetiar <ynezz at true.cz>
---
 target/linux/x86/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/x86/Makefile b/target/linux/x86/Makefile
index e42d87fbc9..880ac73df8 100644
--- a/target/linux/x86/Makefile
+++ b/target/linux/x86/Makefile
@@ -11,6 +11,7 @@ FEATURES:=squashfs ext4 vdi vmdk vhdx pcmcia targz fpu boot-part rootfs-part
 SUBTARGETS:=generic legacy geode 64
 
 KERNEL_PATCHVER:=5.10
+KERNEL_TESTING_PATCHVER:=5.15
 
 KERNELNAME:=bzImage