rockchip: config: popmetal: enable the USB host controller and function

RK3288 using the dwc2 USB host controller, enable it and other usb host
funtion like storage and ether.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>
Added rockchip: tag:
Signed-off-by: Simon Glass <sjg@chromium.org>

configs/popmetal-rk3288_defconfig

@@ -64,3 +64,6 @@ CONFIG_SYSRESET=y
 CONFIG_USE_TINY_PRINTF=y
 CONFIG_CMD_DHRYSTONE=y
 CONFIG_ERRNO_STR=y
+CONFIG_CMD_USB=y
+CONFIG_USB=y
+CONFIG_USB_STORAGE=y

include/configs/rk3288_common.h

@@ -87,6 +87,13 @@
 #define CONFIG_G_DNL_VENDOR_NUM		0x2207
 #define CONFIG_G_DNL_PRODUCT_NUM	0x320a
 
+/* usb host support */
+#ifdef CONFIG_CMD_USB
+#define CONFIG_USB_DWC2
+#define CONFIG_USB_HOST_ETHER
+#define CONFIG_USB_ETHER_SMSC95XX
+#define CONFIG_USB_ETHER_ASIX
+#endif
 #define ENV_MEM_LAYOUT_SETTINGS \
 	"scriptaddr=0x00000000\0" \
 	"pxefile_addr_r=0x00100000\0" \