archs38: enable 6.6 testing kernel

The archs38 now supports 6.6 kernel as testing.

Signed-off-by: Mieczyslaw Nalewaj <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/16004
Signed-off-by: Robert Marko <[email protected]>

target/linux/archs38/Makefile

@@ -12,6 +12,7 @@ FEATURES:=source-only
 SUBTARGETS:=generic
 
 KERNEL_PATCHVER:=6.1
+KERNEL_TESTING_PATCHVER:=6.6
 
 DEVICE_TYPE:=basic