configs: am57xx: Enable download gadget

Enable USB download gadget (needed for fastboot support) and all
dependencies.

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/am57xx_hs_evm_defconfig b/configs/am57xx_hs_evm_defconfig
index 6631bb2..3267f5e 100644
--- a/configs/am57xx_hs_evm_defconfig
+++ b/configs/am57xx_hs_evm_defconfig
@@ -55,5 +55,14 @@
 CONFIG_USB=y
 CONFIG_USB_XHCI_HCD=y
 CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GADGET=y
+CONFIG_USB_DWC3_OMAP=y
+CONFIG_USB_DWC3_PHY_OMAP=y
 CONFIG_USB_STORAGE=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_G_DNL_MANUFACTURER="Texas Instruments"
+CONFIG_G_DNL_VENDOR_NUM=0x0451
+CONFIG_G_DNL_PRODUCT_NUM=0xd022
 CONFIG_SPL_OF_LIBFDT=y