media: ccs-pll: Check for too high VT PLL multiplier in dual PLL case

commit 6868b955 upstream.

The check for VT PLL upper limit in dual PLL case was missing. Add it now.

Fixes: 6c7469e4 ("media: ccs-pll: Add trivial dual PLL support")
Cc: stable@vger.kernel.org
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>