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.c b/drivers/staging/wilc1000/wilc_wlan.c
index 428e94f..5e9a4c2 100644
--- a/drivers/staging/wilc1000/wilc_wlan.c
+++ b/drivers/staging/wilc1000/wilc_wlan.c
@@ -1398,7 +1398,7 @@
  *      Firmware download
  *
  ********************************************/
-static int wilc_wlan_firmware_download(const u8 *buffer, u32 buffer_size)
+int wilc_wlan_firmware_download(const u8 *buffer, u32 buffer_size)
 {
 	wilc_wlan_dev_t *p = (wilc_wlan_dev_t *)&g_wlan;
 	u32 offset;
@@ -2027,7 +2027,6 @@
 	/**
 	 *      export functions
 	 **/
-	oup->wlan_firmware_download = wilc_wlan_firmware_download;
 	oup->wlan_start = wilc_wlan_start;
 	oup->wlan_stop = wilc_wlan_stop;
 	oup->wlan_add_to_tx_que = wilc_wlan_txq_add_net_pkt;