media: tegra_v4l2_camera: use port num to init clk

media: tegra_v4l2_camera: use port num to init clk

Change clks_init() internal API to use CSI port number to enable clks
instead of using dev_id which is incorrect sometime, since vi.0 might
also assigned to CSI_B/CSI_C port.

Bug 1560636

Change-Id: I0e26308ec885e2e34fe8faa63fca404c911912c4
Signed-off-by: Bryan Wu <pengw@nvidia.com>
Reviewed-on: http://git-master/r/539002
Reviewed-by: Venkat Moganty <vmoganty@nvidia.com>
(cherry picked from commit c66d8e5880589b0d95dba63d10daff53e47e8628)
Reviewed-on: http://git-master/r/665995
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Winnie Hsu <whsu@nvidia.com>