mips: bmips: add dgnd3700v2 usb support

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
diff --git a/configs/netgear_dgnd3700v2_ram_defconfig b/configs/netgear_dgnd3700v2_ram_defconfig
index 7cb37b3..4968336 100644
--- a/configs/netgear_dgnd3700v2_ram_defconfig
+++ b/configs/netgear_dgnd3700v2_ram_defconfig
@@ -26,6 +26,7 @@
 CONFIG_CMD_MEMINFO=y
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_LOADS is not set
+CONFIG_CMD_USB=y
 # CONFIG_CMD_NET is not set
 # CONFIG_CMD_NFS is not set
 # CONFIG_CMD_MISC is not set
@@ -37,6 +38,8 @@
 CONFIG_LED_BCM6328=y
 CONFIG_LED_BLINK=y
 CONFIG_LED_GPIO=y
+CONFIG_PHY=y
+CONFIG_BCM6368_USBH_PHY=y
 CONFIG_POWER_DOMAIN=y
 CONFIG_BCM6328_POWER_DOMAIN=y
 CONFIG_DM_RESET=y
@@ -44,3 +47,9 @@
 # CONFIG_SPL_SERIAL_PRESENT is not set
 CONFIG_DM_SERIAL=y
 CONFIG_BCM6345_SERIAL=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_GENERIC=y
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_OHCI_GENERIC=y