global: Migrate CONFIG_FB_ADDR to CFG

Perform a simple rename of CONFIG_FB_ADDR to CFG_FB_ADDR

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/video/nexell_display.c b/drivers/video/nexell_display.c
index 5595796..af2698f 100644
--- a/drivers/video/nexell_display.c
+++ b/drivers/video/nexell_display.c
@@ -560,7 +560,7 @@
 	/* Datasheet S5p4418:
 	 *   Resolution up to 2048 x 1280, up to 12 Bit per color (HDMI)
 	 * Actual (max.) size is 0x1000000 because in U-Boot nanopi2-2016.01
-	 * "#define CONFIG_FB_ADDR  0x77000000" and next address is
+	 * "#define CFG_FB_ADDR  0x77000000" and next address is
 	 * "#define BMP_LOAD_ADDR  0x78000000"
 	 */
 	plat->size = 0x1000000;