disable big endian for kinetis k70

target/config/Config.in.endian

@@ -31,6 +31,7 @@ config ADK_TARGET_BIG_ENDIAN
 	depends on !ADK_TARGET_SYSTEM_QEMU_ARM
 	depends on !ADK_TARGET_SYSTEM_QEMU_XTENSA
 	depends on !ADK_TARGET_SYSTEM_BEAGLEBONE_BLACK
+	depends on !ADK_TARGET_SYSTEM_KINETIS_K70
 	
 endchoice