video: Split SPLASH_SCREEN_ALIGN from bmp command

The bmp command already has a way to centre the image. Using this CONFIG
option to also centre it makes it impossible to control where images are
placed on the screen. Drop the extra check.

Simplify the Kconfig file we are here.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/cmd/bmp.c b/cmd/bmp.c
index 45f4c12..d72a826 100644
--- a/cmd/bmp.c
+++ b/cmd/bmp.c
@@ -259,9 +259,7 @@
 	if (!ret) {
 		bool align = false;
 
-		if (CONFIG_IS_ENABLED(SPLASH_SCREEN_ALIGN) ||
-		    x == BMP_ALIGN_CENTER ||
-		    y == BMP_ALIGN_CENTER)
+		if (x == BMP_ALIGN_CENTER || y == BMP_ALIGN_CENTER)
 			align = true;
 
 		ret = video_bmp_display(dev, addr, x, y, align);
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index 3293837..4d6c987 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -838,9 +838,10 @@
 	  image data before it is processed and sent to the frame buffer by
 	  U-Boot. Define your own version to use this feature.
 
+if SPLASH_SCREEN
+
 config SPLASHIMAGE_GUARD
 	bool "Support unaligned BMP images"
-	depends on SPLASH_SCREEN
 	help
 	  If this option is set, then U-Boot will prevent the environment
 	  variable "splashimage" from being set to a problematic address
@@ -854,7 +855,6 @@
 
 config SPLASH_SCREEN_ALIGN
 	bool "Allow positioning the splash image anywhere on the display"
-	depends on SPLASH_SCREEN || CMD_BMP
 	help
 	  If this option is set the splash image can be freely positioned
 	  on the screen. Environment variable "splashpos" specifies the
@@ -876,7 +876,6 @@
 
 config SPLASH_SOURCE
 	bool "Control the source of the splash image"
-	depends on SPLASH_SCREEN
 	help
 	  Use the splash_source.c library. This library provides facilities to
 	  declare board specific splash image locations, routines for loading
@@ -907,6 +906,8 @@
 	  In case the environment variable "splashfile" is not defined the
 	  default name 'splash.bmp' will be used.
 
+endif # SPLASH_SCREEN
+
 config VIDEO_BMP_GZIP
 	bool "Gzip compressed BMP image support"
 	depends on CMD_BMP || SPLASH_SCREEN