media: camss: csiphy: Unify lane handling

Restructure lane configuration so it is simpler and will allow
similar (although not the same) handling for different hardware
versions.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>