Correct SPL use of VIDEO_ANSI

This converts 1 usage of this option to the non-SPL form, since there is
no SPL_VIDEO_ANSI defined in Kconfig

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/cmd/cls.c b/cmd/cls.c
index 787c7ed..40a32ee 100644
--- a/cmd/cls.c
+++ b/cmd/cls.c
@@ -19,7 +19,7 @@
 
 	/*  Send clear screen and home */
 	printf(CSI "2J" CSI "1;1H");
-	if (IS_ENABLED(CONFIG_VIDEO) && !CONFIG_IS_ENABLED(VIDEO_ANSI)) {
+	if (IS_ENABLED(CONFIG_VIDEO) && !IS_ENABLED(CONFIG_VIDEO_ANSI)) {
 		if (uclass_first_device_err(UCLASS_VIDEO, &dev))
 			return CMD_RET_FAILURE;
 		if (video_clear(dev))