media: i2c: Fix incorrect value in comment

The PLL configuration defined here sets 72MHz (which is correct), not
80MHz. Correct the comment.
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Daniel Scally <djrscally@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/i2c/ov8865.c

@@ -713,7 +713,7 @@ static const struct ov8865_pll2_config ov8865_pll2_config_native = {
 /*
  * EXTCLK = 24 MHz
  * DAC_CLK = 360 MHz
- * SCLK = 80 MHz
+ * SCLK = 72 MHz
  */
 
 static const struct ov8865_pll2_config ov8865_pll2_config_binning = {