staging: wilc1000: remove function pointer wlan_firmware_download

This patch removes function pointer wlan_firmware_download and just call
the function wilc_wlan_firmware_download. Remove static from the function also.

Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Tony Cho <tony.cho@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/wilc1000/wilc_wlan.h b/drivers/staging/wilc1000/wilc_wlan.h
index 7b1a872..72d2ebf 100644
--- a/drivers/staging/wilc1000/wilc_wlan.h
+++ b/drivers/staging/wilc1000/wilc_wlan.h
@@ -305,4 +305,5 @@
 	int (*cfg_init)(wilc_debug_func);
 } wilc_cfg_func_t;
 
+int wilc_wlan_firmware_download(const u8 *buffer, u32 buffer_size);
 #endif