Fix build errors when RT patch is applied

Upstream-Status: Inappropriate [other]
Freescale does not support the RT patch

Signed-off-by: Jacob Kroon <jacob.kroon@mikrodidakt.se>

Index: git/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_os.c
===================================================================
--- git.orig/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_os.c
+++ git/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_os.c
@@ -7746,7 +7746,7 @@ gckOS_WaitSignal(
 
     might_sleep();
 
-    spin_lock_irq(&signal->obj.wait.lock);
+    raw_spin_lock_irq(&signal->obj.wait.lock);
 
     if (signal->obj.done)
     {
@@ -7768,9 +7768,8 @@ gckOS_WaitSignal(
             ? MAX_SCHEDULE_TIMEOUT
             : Wait * HZ / 1000;
 
-        DECLARE_WAITQUEUE(wait, current);
-        wait.flags |= WQ_FLAG_EXCLUSIVE;
-        __add_wait_queue_tail(&signal->obj.wait, &wait);
+        DEFINE_SWAITER(wait);
+        swait_prepare_locked(&signal->obj.wait, &wait);
 
         while (gcvTRUE)
         {
@@ -7782,9 +7781,9 @@ gckOS_WaitSignal(
             }
 
             __set_current_state(TASK_INTERRUPTIBLE);
-            spin_unlock_irq(&signal->obj.wait.lock);
+            raw_spin_unlock_irq(&signal->obj.wait.lock);
             timeout = schedule_timeout(timeout);
-            spin_lock_irq(&signal->obj.wait.lock);
+            raw_spin_lock_irq(&signal->obj.wait.lock);
 
             if (signal->obj.done)
             {
@@ -7805,10 +7804,10 @@ gckOS_WaitSignal(
             }
         }
 
-        __remove_wait_queue(&signal->obj.wait, &wait);
+        swait_finish_locked(&signal->obj.wait, &wait);
     }
 
-    spin_unlock_irq(&signal->obj.wait.lock);
+    raw_spin_unlock_irq(&signal->obj.wait.lock);
 
 OnError:
     /* Return status. */