Revert "TEST: USB_HOST not USB"

This reverts commit 4e1903a645453deab5ec5dd1cf4f0061469b99c3.

This local commit was not intended to be pushed out.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/cmd/Kconfig b/cmd/Kconfig
index a13a68f..a9fb4ee 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -1322,7 +1322,7 @@
 
 config CMD_USB
 	bool "usb"
-	depends on USB_HOST
+	depends on USB
 	select HAVE_BLOCK_DEVICE
 	help
 	  USB support.