configs: am65x_evm_r5_usbmsc_defconfig: Enable DWC3 wrapper for SPL

commit 280f45d23977 ("configs: get rid of build warnings due to
SPL_USB_DWC3_GENERIC") missed enabling DWC3 glue layer for
usbmsc_defconfig and this broke boot from USB mass storage.
Fix this by enabling DWC3 glue layer.

Fixes: 280f45d23977 ("configs: get rid of build warnings due to SPL_USB_DWC3_GENERIC")
Signed-off-by: Ravi Gunasekaran <r-gunasekaran@ti.com>
diff --git a/configs/am65x_evm_r5_usbmsc_defconfig b/configs/am65x_evm_r5_usbmsc_defconfig
index 8da49c7..733a1c1 100644
--- a/configs/am65x_evm_r5_usbmsc_defconfig
+++ b/configs/am65x_evm_r5_usbmsc_defconfig
@@ -85,6 +85,7 @@
 CONFIG_DM_MAILBOX=y
 CONFIG_K3_SEC_PROXY=y
 CONFIG_MISC=y
+CONFIG_SPL_MISC=y
 CONFIG_K3_AVS0=y
 # CONFIG_MMC is not set
 CONFIG_PHY=y
@@ -122,6 +123,7 @@
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_USB_DWC3=y
 CONFIG_USB_DWC3_GENERIC=y
+CONFIG_SPL_USB_DWC3_GENERIC=y
 CONFIG_USB_STORAGE=y
 CONFIG_SPL_USB_STORAGE=y
 CONFIG_USB_GADGET=y