msm: camera: uapi: Add new acquire/release HW IOCTLs

Add support for Acquire/Release HW IOCTL. This will be used to
decouple the IFE HW acquire from device_handle acquire. This
change will enable dynamic release and re-acquire of IFE HW
while keeping the CRM link & IFE device_handle intact.

Change-Id: I541ce5eaa2b2f20187e9097d49c346c30033a535
Signed-off-by: Harsh Shah <harshs@codeaurora.org>