msm: camera: Fix invalid type conversion

Invalid type conversion with x64 bit command VIDIOC_MSM_LASER_LED_CFG
passed in,for which the type should be "msm_laser_led_cfg_data_t"

Added separate functions for x32 bit and x64 bit commands.

Change-Id: I1ba5da81b57922c4ec5780aa12f8eb2f461bd6f3
Signed-off-by: Abhishek Abbanaveni <aabban@codeaurora.org>