Rename SPL_USB_HOST_SUPPORT to SPL_USB_HOST

Rename this option so that CONFIG_IS_ENABLED can be used with it.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/common/Makefile b/common/Makefile
index 829ea5f..9063ed9 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -72,7 +72,7 @@
 obj-$(CONFIG_SPL_NET_SUPPORT) += miiphyutil.o
 obj-$(CONFIG_$(SPL_TPL_)OF_LIBFDT) += fdt_support.o
 
-ifdef CONFIG_SPL_USB_HOST_SUPPORT
+ifdef CONFIG_SPL_USB_HOST
 obj-y += usb.o
 obj-y += usb_hub.o
 obj-$(CONFIG_SPL_USB_STORAGE) += usb_storage.o
diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index c0e99ba..714c2b9 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -1192,7 +1192,7 @@
 	  automatic power-off when the temperature gets too high or low. Other
 	  devices may be discrete but connected on a suitable bus.
 
-config SPL_USB_HOST_SUPPORT
+config SPL_USB_HOST
 	bool "Support USB host drivers"
 	select HAVE_BLOCK_DEVICE
 	help
@@ -1205,7 +1205,7 @@
 
 config SPL_USB_STORAGE
 	bool "Support loading from USB"
-	depends on SPL_USB_HOST_SUPPORT && !(BLK && !DM_USB)
+	depends on SPL_USB_HOST && !(BLK && !DM_USB)
 	help
 	  Enable support for USB devices in SPL. This allows use of USB
 	  devices such as hard drives and flash drivers for loading U-Boot.