msm: camera_v3: core : Validate the dev name during the node ioctl handler

Validate the context device name with node name. If device name is
not matching return the error.

Change-Id: Idb0e87beb243f1a4dad32caa58c009c7d276b021
Signed-off-by: Rishabh Jain <risjai@codeaurora.org>
Signed-off-by: Raja Mallik <rmallik@codeaurora.org>