rt2x00: Move common firmware loading into rt2800lib

Large parts of the firmware initialization are shared
between rt2800pci and rt2800usb. Move this code into
rt2800lib.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
4 files changed