mwifiex: firmware name correction for usb8997 chipset

Similar to pcie8997 chipset, first firmware submitted for usb8997
chipset will be usbusb8997_combo_v4.bin. This patch corrects the
name used in driver.

Signed-off-by: Ganapathi Bhat <gbhat@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/marvell/mwifiex/usb.h

@@ -46,7 +46,7 @@
 #define USB8766_DEFAULT_FW_NAME	"mrvl/usb8766_uapsta.bin"
 #define USB8797_DEFAULT_FW_NAME	"mrvl/usb8797_uapsta.bin"
 #define USB8801_DEFAULT_FW_NAME	"mrvl/usb8801_uapsta.bin"
-#define USB8997_DEFAULT_FW_NAME	"mrvl/usb8997_uapsta.bin"
+#define USB8997_DEFAULT_FW_NAME	"mrvl/usbusb8997_combo_v4.bin"
 
 #define FW_DNLD_TX_BUF_SIZE	620
 #define FW_DNLD_RX_BUF_SIZE	2048