cx25840: fix comment

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Mauro Carvalho Chehab <m.chehab@samsung.com>
Cc: linux-media@vger.kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

drivers/media/i2c/cx25840/cx25840-ir.c

@@ -224,7 +224,7 @@ static inline unsigned int lpf_count_to_us(unsigned int count)
 }
 
 /*
- * FIFO register pulse width count compuations
+ * FIFO register pulse width count computations
  */
 static u32 clock_divider_to_resolution(u16 divider)
 {