ralink: add missing header file to mt7530 driver

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38344 3c298f89-4303-0410-b956-a3cf2f4a3e73
ralink: add support for the mt7530 eval board

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

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@38345 3c298f89-4303-0410-b956-a3cf2f4a3e73