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/galileo_defconfig b/configs/galileo_defconfig
index 080c2ed..f79ee2e 100644
--- a/configs/galileo_defconfig
+++ b/configs/galileo_defconfig
@@ -47,4 +47,5 @@
 CONFIG_TIMER=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
+CONFIG_USB_STORAGE=y
 CONFIG_USE_PRIVATE_LIBGCC=y