msm: synx: async_wait timeout changes

Adding timeout parameter for async wait so the callback
will be invoked on timer expiry if not signalled.

Change-Id: Ia31f59021f00befed5317fdac262d823c659c6bf
Signed-off-by: Ram Nagesh <quic_ramnages@quicinc.com>
Signed-off-by: Urvesh Rathod <quic_urathod@quicinc.com>

msm/synx/synx_global.h

@@ -53,6 +53,7 @@ enum synx_core_id {
 #define SYNX_STATE_SIGNALED_ERROR      3
 #define SYNX_STATE_SIGNALED_EXTERNAL   5
 #define SYNX_STATE_SIGNALED_SSR        6
+#define SYNX_STATE_TIMEOUT             7
 
 /* dma fence states */
 #define SYNX_DMA_FENCE_STATE_MAX             4096