wl12xx: make wl12xx.h common to both spi and sdio

Move wl12xx.h outside of the spi-specific location,
so it can be shared with both spi and sdio solutions.

Update all users of spi/wl12xx.h accordingly

Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Acked-by: Luciano Coelho <luciano.coelho@nokia.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 80cea03..e9aec08 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6324,7 +6324,7 @@
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git
 S:	Maintained
 F:	drivers/net/wireless/wl12xx/wl1271*
-F:	include/linux/spi/wl12xx.h
+F:	include/linux/wl12xx.h
 
 WL3501 WIRELESS PCMCIA CARD DRIVER
 M:	Arnaldo Carvalho de Melo <acme@ghostprotocols.net>