[openwrt/openwrt] realtek: add Kernel 5.10 as testing version

[LEDE Commits]

adrian pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/fc050c7b53116b6e3f2c31797b27cfc76af60e74

commit fc050c7b53116b6e3f2c31797b27cfc76af60e74
Author: INAGAKI Hiroshi <musashino.open at gmail.com>
AuthorDate: Wed May 5 09:31:53 2021 +0900

    realtek: add Kernel 5.10 as testing version
    
    This patch adds "KERNEL_TESTING_PATCHVER:=5.10" to the Makefile in
    realtek target to allow using Kernel 5.10 for testing.
    
    Signed-off-by: INAGAKI Hiroshi <musashino.open at gmail.com>
---
 target/linux/realtek/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/realtek/Makefile b/target/linux/realtek/Makefile
index 5159a40c4c..2eca7015e4 100644
--- a/target/linux/realtek/Makefile
+++ b/target/linux/realtek/Makefile
@@ -11,6 +11,7 @@ FEATURES:=ramdisk squashfs
 SUBTARGETS:=generic
 
 KERNEL_PATCHVER:=5.4
+KERNEL_TESTING_PATCHVER:=5.10
 
 define Target/Description
 	Build firmware images for Realtek RTL83xx based boards.