default to 4.1.3

target/config/Config.in.kernelversion.choice

@@ -4,8 +4,7 @@
 choice
 prompt "Kernel Version"
 depends on ADK_TARGET_KERNEL_CUSTOMISING
-default ADK_KERNEL_VERSION_GIT if ADK_TARGET_SYSTEM_KINETIS_K70
-default ADK_KERNEL_VERSION_4_0_6
+default ADK_KERNEL_VERSION_4_1_3
 
 config ADK_KERNEL_VERSION_GIT
 	bool "linux-git"