drivers/staging/matrix: Making matrix driver dynamic kernel module

drivers/staging/matrix: Making matrix driver dynamic kernel module

BZ: 34094

Changes to make matrix driver dynamic kernel module.

Change-Id: Ie195bd2d6dda7053ead51398693616da600773ae
Signed-off-by: vivek <vivek.thakkar@intel.com>
Reviewed-on: http://android.intel.com:8080/47834
Reviewed-by: Hogander, Jouni <jouni.hogander@intel.com>
Reviewed-by: Yung, Winson W <winson.w.yung@intel.com>
Reviewed-by: Gross, Mark <mark.gross@intel.com>
Tested-by: Martin, LoicX <loicx.martin@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>