[mpp_device]: Add mpp_device_debug env read

Change-Id: I691cc21a1316fbbe4b2c2a0d3ff50e96d7a5bed9
Signed-off-by: Herman Chen <herman.chen@rock-chips.com>

osal/driver/mpp_service.c

@@ -22,6 +22,7 @@
 #include <string.h>
 
 #include "mpp_log.h"
+#include "mpp_env.h"
 #include "mpp_common.h"
 
 #include "mpp_device_debug.h"
@@ -133,6 +134,9 @@ void check_mpp_service_cap(RK_U32 *codec_type, RK_U32 *hw_ids, MppServiceCmdCap
     RK_U32 val;
     RK_U32 i;
 
+    /* for device check on startup */
+    mpp_env_get_u32("mpp_device_debug", &mpp_device_debug, 0);
+
     *codec_type = 0;
     memset(hw_ids, 0, sizeof(RK_U32) * 32);