[openwrt/openwrt] sifiveu: switch to kernel v6.1

[LEDE Commits]

wigyori pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/fe8630f18e2e3172cbe5da6f8c4ead2632d08814

commit fe8630f18e2e3172cbe5da6f8c4ead2632d08814
Author: Zoltan HERPAI <wigyori at uid0.hu>
AuthorDate: Tue Oct 24 11:40:51 2023 +0200

    sifiveu: switch to kernel v6.1
    
    Enable kernel v6.1 as the default kernel for sifiveu.
    
    Signed-off-by: Zoltan HERPAI <wigyori at uid0.hu>
---
 target/linux/sifiveu/Makefile | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/target/linux/sifiveu/Makefile b/target/linux/sifiveu/Makefile
index 43f70b5ce0..52989a9dae 100644
--- a/target/linux/sifiveu/Makefile
+++ b/target/linux/sifiveu/Makefile
@@ -11,8 +11,7 @@ FEATURES:=ext4
 KERNELNAME:=Image dtbs
 SUBTARGETS:=generic
 
-KERNEL_PATCHVER:=5.15
-KERNEL_TESTING_PATCHVER:=6.1
+KERNEL_PATCHVER:=6.1
 
 include $(INCLUDE_DIR)/target.mk