ralink: mt7621 is still WIP and not part of the release

Signed-off-by: John Crispin <blogic@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/branches/barrier_breaker@41880 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/ramips/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 ARCH:=mipsel
 BOARD:=ramips
 BOARDNAME:=Ralink RT288x/RT3xxx
-SUBTARGETS:=rt305x mt7620a mt7620n mt7621 rt3883 rt288x
+SUBTARGETS:=rt305x mt7620a mt7620n rt3883 rt288x
 FEATURES:=squashfs gpio
 
 LINUX_VERSION:=3.10.49