mips: bmips: add ar-5315 usb support

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

arch/mips/dts/comtrend,ar-5315u.dts

@@ -21,6 +21,10 @@
 	};
 };
 
+&ehci {
+	status = "okay";
+};
+
 &leds {
 	status = "okay";
 
@@ -67,6 +71,10 @@
 	};
 };
 
+&ohci {
+	status = "okay";
+};
+
 &spi {
 	status = "okay";
 
@@ -83,3 +91,7 @@
 	u-boot,dm-pre-reloc;
 	status = "okay";
 };
+
+&usbh {
+	status = "okay";
+};

configs/comtrend_ar5315u_ram_defconfig

@@ -27,6 +27,7 @@ CONFIG_CMD_MEMINFO=y
 # CONFIG_CMD_LOADS is not set
 CONFIG_CMD_SF=y
 CONFIG_CMD_SPI=y
+CONFIG_CMD_USB=y
 # CONFIG_CMD_MISC is not set
 CONFIG_OF_EMBED=y
 # CONFIG_NET is not set
@@ -39,7 +40,8 @@ CONFIG_DM_SPI_FLASH=y
 CONFIG_SPI_FLASH=y
 CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_SPI_FLASH_MTD=y
-CONFIG_POWER_DOMAIN=y
+CONFIG_PHY=y
+CONFIG_BCM6318_USBH_PHY=y
 CONFIG_BCM6328_POWER_DOMAIN=y
 CONFIG_DM_RESET=y
 CONFIG_RESET_BCM6345=y
@@ -48,3 +50,9 @@ CONFIG_DM_SERIAL=y
 CONFIG_BCM6345_SERIAL=y
 CONFIG_DM_SPI=y
 CONFIG_BCM63XX_HSSPI=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