video: Fix typo in drivers/video

Correct spelling typo in debug messages and comments
within drivers/video.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c
index 738c8ce..bc67d05 100644
--- a/drivers/video/cirrusfb.c
+++ b/drivers/video/cirrusfb.c
@@ -1611,7 +1611,7 @@
 	/* ext. display controls: ext.adr. wrap */
 	vga_wcrt(cinfo->regbase, CL_CRT1B, 0x02);
 
-	/* Set/Reset registes: - */
+	/* Set/Reset registers: - */
 	vga_wgfx(cinfo->regbase, VGA_GFX_SR_VALUE, 0x00);
 	/* Set/Reset enable: - */
 	vga_wgfx(cinfo->regbase, VGA_GFX_SR_ENABLE, 0x00);