msm: eva: Add session start/stop through FW

New HFI allows FW stop session and notify driver of
its completion. Driver is safe to reclaim resources
allocated for the session.

Change-Id: Ic6a08334a0bafd57f366a635c53f4f5f8f31f77e
Signed-off-by: George Shen <quic_sqiao@quicinc.com>

msm/eva/cvp_hfi.h

@@ -179,6 +179,10 @@
 	(HFI_CMD_SESSION_CVP_START + 0x081)
 #define  HFI_CMD_SESSION_CVP_SYNX\
 	(HFI_CMD_SESSION_CVP_START + 0x086)
+#define  HFI_CMD_SESSION_EVA_START\
+	(HFI_CMD_SESSION_CVP_START + 0x088)
+#define  HFI_CMD_SESSION_EVA_STOP\
+	(HFI_CMD_SESSION_CVP_START + 0x089)
 #define  HFI_CMD_SESSION_CVP_ICA_FRAME\
 	(HFI_CMD_SESSION_CVP_START + 0x100)
 #define  HFI_CMD_SESSION_CVP_ICA_CONFIG\
@@ -256,6 +260,10 @@
 
 #define HFI_MSG_SESSION_CVP_FLUSH\
 	(HFI_MSG_SESSION_CVP_START + 0x004A)
+#define HFI_MSG_SESSION_EVA_START\
+	(HFI_MSG_SESSION_CVP_START + 0x0058)
+#define HFI_MSG_SESSION_EVA_STOP\
+	(HFI_MSG_SESSION_CVP_START + 0x0059)
 
 #define CVP_IFACEQ_MAX_PKT_SIZE       1024
 #define CVP_IFACEQ_MED_PKT_SIZE       768