configs: migrate CONFIG_VIDEO_BMP_RLE8 to defconfigs

Done with:
./tools/moveconfig.py VIDEO_BMP_RLE8

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/rut_defconfig b/configs/rut_defconfig
index b136410..4037c6a 100644
--- a/configs/rut_defconfig
+++ b/configs/rut_defconfig
@@ -106,3 +106,4 @@
 CONFIG_SYS_CONSOLE_FG_COL=0x00
 CONFIG_SPLASH_SCREEN=y
 CONFIG_SPLASH_SCREEN_ALIGN=y
+CONFIG_VIDEO_BMP_RLE8=y