nitrogen6x: allow gzipped bitmap display

Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com>
diff --git a/include/configs/nitrogen6x.h b/include/configs/nitrogen6x.h
index 8ef4b73..0ca02e9 100644
--- a/include/configs/nitrogen6x.h
+++ b/include/configs/nitrogen6x.h
@@ -142,6 +142,9 @@
 #define CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE
 #define CONFIG_VIDEO_BMP_RLE8
 #define CONFIG_SPLASH_SCREEN
+#define CONFIG_SPLASH_SCREEN_ALIGN
+#define CONFIG_VIDEO_BMP_GZIP
+#define CONFIG_SYS_VIDEO_LOGO_MAX_SIZE (6 * 1024 * 1024)
 #define CONFIG_BMP_16BPP
 #define CONFIG_IPUV3_CLK 260000000
 #define CONFIG_CMD_HDMIDETECT