video: imxfb: Make local symbols static

These symbols are used only in this file.
Make them static.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c
index c1945b3..12af22b 100644
--- a/drivers/video/imxfb.c
+++ b/drivers/video/imxfb.c
@@ -957,7 +957,7 @@
 	return 0;
 }
 
-void  imxfb_shutdown(struct platform_device * dev)
+static void imxfb_shutdown(struct platform_device *dev)
 {
 	struct fb_info *info = platform_get_drvdata(dev);
 	struct imxfb_info *fbi = info->par;
@@ -996,7 +996,7 @@
 	return 0;
 }
 
-int __init imxfb_init(void)
+static int __init imxfb_init(void)
 {
 	int ret = imxfb_setup();