ARM: da850-evm: Enable the USB PHY and MUSB Driver

This patch will enable the MUSB driver to support mass storage
devices connected to the OTG port in host mode.

Signed-off-by: Adam Ford <aford173@gmail.com>
diff --git a/configs/da850evm_nand_defconfig b/configs/da850evm_nand_defconfig
index 96602e5..7f0ea0c 100644
--- a/configs/da850evm_nand_defconfig
+++ b/configs/da850evm_nand_defconfig
@@ -61,6 +61,8 @@
 CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_SPI_FLASH_MTD=y
 CONFIG_DM_ETH=y
+CONFIG_PHY=y
+CONFIG_PHY_DA8XX_USB=y
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_SINGLE=y
 CONFIG_DM_SERIAL=y
@@ -73,6 +75,9 @@
 # CONFIG_SPL_DM_USB is not set
 CONFIG_USB_OHCI_HCD=y
 CONFIG_USB_OHCI_DA8XX=y
+CONFIG_USB_MUSB_HOST=y
+CONFIG_USB_MUSB_DA8XX=y
+CONFIG_USB_MUSB_PIO_ONLY=y
 CONFIG_USB_STORAGE=y
 # CONFIG_FAT_WRITE is not set
 CONFIG_USE_TINY_PRINTF=y