imx: ventana: add GW5913 support

The GW5913 is a Single Board Computer based on the NXP i.MX6Q/DL SoC
with the following features:
 - DDR3 DRAM
 - NAND FLASH (256MiB or 2048MiB)
 - Gateworks System Periperhal Controller
 - front panel LED's
 - front panel pushbutton
 - Digital I/O connector (I2C/GPIO/UART)
 - u-blox Zoe-M8Q GPS
 - 1x RJ45 GbE
 - 1x MiniPCIe socket with PCIe USB 2.0 and nanoSIM socket
 - Passive PoE and wide-range DC power supply

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
diff --git a/board/gateworks/gw_ventana/eeprom.c b/board/gateworks/gw_ventana/eeprom.c
index a4f3065..d21aa3c 100644
--- a/board/gateworks/gw_ventana/eeprom.c
+++ b/board/gateworks/gw_ventana/eeprom.c
@@ -128,6 +128,8 @@
 			type = GW5910;
 		else if (info->model[4] == '1' && info->model[5] == '2')
 			type = GW5912;
+		else if (info->model[4] == '1' && info->model[5] == '3')
+			type = GW5913;
 		break;
 	default:
 		printf("EEPROM: Unknown model in EEPROM: %s\n", info->model);