[openwrt/openwrt] ipq40xx: switch to 5.15 as default kernel

[LEDE Commits]

ynezz pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/5f458e64a9bca6875d7974fd5b9cd570f5d2d40c

commit 5f458e64a9bca6875d7974fd5b9cd570f5d2d40c
Author: Nick Hainke <vincent at systemli.org>
AuthorDate: Wed Jul 20 20:39:09 2022 +0200

    ipq40xx: switch to 5.15 as default kernel
    
    The testing kernel received now multiple months of testing. Set 5.15 as
    default to give it a test with a broader audience.
    
    Tested on:
    - MikroTik SXTsq 5 AC
    - FritzBox 4040/7530
    - ZyXEL NBG6617
    
    Signed-off-by: Nick Hainke <vincent at systemli.org>
---
 target/linux/ipq40xx/Makefile | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/target/linux/ipq40xx/Makefile b/target/linux/ipq40xx/Makefile
index 19b63cdd65..6eb9c00223 100644
--- a/target/linux/ipq40xx/Makefile
+++ b/target/linux/ipq40xx/Makefile
@@ -8,8 +8,7 @@ CPU_TYPE:=cortex-a7
 CPU_SUBTYPE:=neon-vfpv4
 SUBTARGETS:=generic chromium mikrotik
 
-KERNEL_PATCHVER:=5.10
-KERNEL_TESTING_PATCHVER:=5.15
+KERNEL_PATCHVER:=5.15
 
 KERNELNAME:=zImage Image dtbs