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/ds414_defconfig b/configs/ds414_defconfig
index ec23c77..f95a9df 100644
--- a/configs/ds414_defconfig
+++ b/configs/ds414_defconfig
@@ -27,3 +27,5 @@
 CONFIG_DEBUG_UART_CLOCK=250000000
 CONFIG_DEBUG_UART_SHIFT=2
 CONFIG_SYS_NS16550=y
+CONFIG_USB=y
+CONFIG_USB_STORAGE=y