configs: Migrate CONFIG_USB_STORAGE

In some cases we were missing CONFIG_USB=y so enable that when needed.

Reviewed-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/wandboard_defconfig b/configs/wandboard_defconfig
index 195c99b..d465270 100644
--- a/configs/wandboard_defconfig
+++ b/configs/wandboard_defconfig
@@ -22,4 +22,6 @@
 CONFIG_CMD_FS_GENERIC=y
 CONFIG_DM=y
 CONFIG_DM_THERMAL=y
+CONFIG_USB=y
+CONFIG_USB_STORAGE=y
 CONFIG_OF_LIBFDT=y