Firmware should go into /lib/firmware, not /etc/firmware.

Found by Alejandro Bonilla.
Signed-off-by: NJesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: NAdrian Bunk <bunk@stusta.de>
Acked-by: NZhu Yi <yi.zhu@intel.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>