sunxi: switch default to 6.6

Switch the default kernel to 6.6.

Signed-off-by: Zoltan HERPAI <[email protected]>

target/linux/sunxi/Makefile

@@ -10,8 +10,7 @@ BOARDNAME:=Allwinner ARM SoCs
 FEATURES:=usb ext4 display rootfs-part rtc squashfs
 SUBTARGETS:=cortexa8 cortexa7 cortexa53
 
-KERNEL_PATCHVER:=6.1
-KERNEL_TESTING_PATCHVER:=6.6
+KERNEL_PATCHVER:=6.6
 
 KERNELNAME:=zImage dtbs