Use the same mutex as rocm-smi

Share the same mutex as rocm-smi implementation. Handle the crash
when a user is not in render group.

Change-Id: I486b26569f9b523b41bbdaf95d51f4a730978cfd

include/amd_smi/impl/amd_smi_gpu_device.h

@@ -63,7 +63,6 @@ class AMDSmiGPUDevice: public AMDSmiProcessor {
                 if (check_if_drm_is_supported()) this->get_drm_data();
             }
     ~AMDSmiGPUDevice() {
-        if (check_if_drm_is_supported()) shared_mutex_close(mutex_);
     }
 
     amdsmi_status_t get_drm_data();
@@ -91,7 +90,6 @@ class AMDSmiGPUDevice: public AMDSmiProcessor {
     amdsmi_bdf_t bdf_;
     uint32_t vendor_id_;
     AMDSmiDrm& drm_;
-    shared_mutex_t mutex_;
 };