include: Enable video related global data variable and splash at SPL

To include video related global data variables and splash functions at
SPL and u-boot proper, use CONFIG_IS_ENABLED.

Replace CONFIG_CMD_BMP with CONFIG_BMP to enable splash_display function
at u-boot proper and SPL.

Signed-off-by: Nikhil M Jain <n-jain1@ti.com>
Reviewed-by: Devarsh Thakkar <devarsht@ti.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h
index 987fb66..65bf8df 100644
--- a/include/asm-generic/global_data.h
+++ b/include/asm-generic/global_data.h
@@ -68,7 +68,7 @@
 	 * @mem_clk: memory clock rate in Hz
 	 */
 	unsigned long mem_clk;
-#if defined(CONFIG_VIDEO)
+#if CONFIG_IS_ENABLED(VIDEO)
 	/**
 	 * @fb_base: base address of frame buffer memory
 	 */
@@ -359,7 +359,7 @@
 	 */
 	struct membuff console_in;
 #endif
-#ifdef CONFIG_VIDEO
+#if CONFIG_IS_ENABLED(VIDEO)
 	/**
 	 * @video_top: top of video frame buffer area
 	 */