ssb: drop declaration of non existing ssb_sdio_hardware_setup

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/ssb/ssb_private.h

@@ -133,7 +133,6 @@ extern int ssb_sdio_get_invariants(struct ssb_bus *bus,
 
 extern u32 ssb_sdio_scan_read32(struct ssb_bus *bus, u16 offset);
 extern int ssb_sdio_scan_switch_coreidx(struct ssb_bus *bus, u8 coreidx);
-extern int ssb_sdio_hardware_setup(struct ssb_bus *bus);
 extern void ssb_sdio_exit(struct ssb_bus *bus);
 extern int ssb_sdio_init(struct ssb_bus *bus);
 
@@ -147,10 +146,6 @@ static inline int ssb_sdio_scan_switch_coreidx(struct ssb_bus *bus, u8 coreidx)
 {
 	return 0;
 }
-static inline int ssb_sdio_hardware_setup(struct ssb_bus *bus)
-{
-	return 0;
-}
 static inline void ssb_sdio_exit(struct ssb_bus *bus)
 {
 }