staging:panel:panel.c Fix typo in staging:panel

The below patch fixes a typo I found while reading.

Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Cc: Willy Tarreau <willy@meta-x.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c
index 6183573..7365089 100644
--- a/drivers/staging/panel/panel.c
+++ b/drivers/staging/panel/panel.c
@@ -754,7 +754,7 @@
 	if (lcd_bl_pin == PIN_NONE)
 		return;
 
-	/* The backlight is activated by seting the AUTOFEED line to +5V  */
+	/* The backlight is activated by setting the AUTOFEED line to +5V  */
 	spin_lock(&pprt_lock);
 	bits.bl = on;
 	panel_set_bits();