configs: migrate CONFIG_VIDEO_BMP_GZIP to defconfigs

Done with:
./tools/moveconfig.py VIDEO_BMP_GZIP

The 3 suspicious migration because CMD_BMP and SPLASH_SCREEN
are not activated in these defconfigs:
- trats_defconfig
- s5pc210_universal_defconfig
- trats2_defconfig

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index e2e1f9c..6363807 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -939,4 +939,12 @@
 	  In case the environment variable "splashfile" is not defined the
 	  default name 'splash.bmp' will be used.
 
+config VIDEO_BMP_GZIP
+	bool "Gzip compressed BMP image support"
+	depends on CMD_BMP || SPLASH_SCREEN
+	help
+	  If this option is set, additionally to standard BMP
+	  images, gzipped BMP images can be displayed via the
+	  splashscreen support or the bmp command.
+
 endmenu