media: ccs-pll: Print pixel rates

Print pixel rates on CSI-2 bus as well as in pixel array as the variation
allowed in PLL capabilities makes this non-trivial to figure out
otherwise.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>