media: ccs-pll: Move the flags field down, away from 8-bit fields

This way the struct will use less memory, with better packing and no waste
due to unsigned long.

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