wimax/i2400m: driver defaults to firmware v1.5 for i5x50 devices

Updates the i2400m driver to default to firmware versions v1.5 for the
Intel Wireless WiMAX Connection 5150 and 5350 devices.

Firmware available in linux-firmware.
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>

drivers/net/wimax/i2400m/usb.c

@@ -82,6 +82,8 @@ MODULE_PARM_DESC(debug,
 
 /* Our firmware file name */
 static const char *i2400mu_bus_fw_names_5x50[] = {
+#define I2400MU_FW_FILE_NAME_v1_5 "i2400m-fw-usb-1.5.sbcf"
+	I2400MU_FW_FILE_NAME_v1_5,
 #define I2400MU_FW_FILE_NAME_v1_4 "i2400m-fw-usb-1.4.sbcf"
 	I2400MU_FW_FILE_NAME_v1_4,
 	NULL,
@@ -785,4 +787,4 @@ MODULE_AUTHOR("Intel Corporation <linux-wimax@intel.com>");
 MODULE_DESCRIPTION("Driver for USB based Intel Wireless WiMAX Connection 2400M "
 		   "(5x50 & 6050)");
 MODULE_LICENSE("GPL");
-MODULE_FIRMWARE(I2400MU_FW_FILE_NAME_v1_4);
+MODULE_FIRMWARE(I2400MU_FW_FILE_NAME_v1_5);