build: enable MIPS16 by default if available

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37926 3c298f89-4303-0410-b956-a3cf2f4a3e73

Config.in

@@ -879,6 +879,7 @@ menuconfig TARGET_OPTIONS
 	config USE_MIPS16
 		bool "Build packages with MIPS16 instructions" if TARGET_OPTIONS
 		depends on HAS_MIPS16
+		default y
 		help
 		  If your target CPU does support the MIPS16 instruction set
 		  and you want to use it for packages, enable this option.