msm: kgsl: Add device init function

Some device specific parameters need to be setup only once during
device initialization. Create an init function for this purpose
rather than re-doing this init everytime the device is started.

Change-Id: I45c7fcda8d61fd2b212044c9167b64f793eedcda
Signed-off-by: Carter Cooper <ccooper@codeaurora.org>
diff --git a/drivers/gpu/msm/kgsl_pwrctrl.c b/drivers/gpu/msm/kgsl_pwrctrl.c
index 452d8a3..9083054 100644
--- a/drivers/gpu/msm/kgsl_pwrctrl.c
+++ b/drivers/gpu/msm/kgsl_pwrctrl.c
@@ -1247,7 +1247,7 @@
 	kgsl_pwrctrl_request_state(device, KGSL_STATE_ACTIVE);
 	switch (device->state) {
 	case KGSL_STATE_SLUMBER:
-		status = device->ftbl->start(device, 0);
+		status = device->ftbl->start(device);
 		if (status) {
 			kgsl_pwrctrl_request_state(device, KGSL_STATE_NONE);
 			KGSL_DRV_ERR(device, "start failed %d\n", status);