fbdev: controlfb: fix spelling mistake "paramaters"->"parameters"

There is a spelling mistake in comment. Fix it.
Signed-off-by: Yu Zhe <yuzhe@nfschina.com>
Signed-off-by: Helge Deller <deller@gmx.de>

drivers/video/fbdev/controlfb.c

@@ -376,7 +376,7 @@ static int read_control_sense(struct fb_info_control *p)
 #define CONTROL_PIXCLOCK_MIN	5000	/* ~ 200 MHz dot clock */
 
 /*
- * calculate the clock paramaters to be sent to CUDA according to given
+ * calculate the clock parameters to be sent to CUDA according to given
  * pixclock in pico second.
  */
 static int calc_clock_params(unsigned long clk, unsigned char *param)