libhsakmt: dump errno the queue destroy fails.

to faciliate debugging, print errno when queue destroy fail
current log give very little information when fail:

[ RUN      ] KFDQMTest.AllSdmaQueues
 [          ] Regular SDMA engines number: 1 SDMA queues per engine: 2
 [       OK ] KFDQMTest.AllSdmaQueues (11 ms)
 [ RUN      ] KFDQMTest.AllXgmiSdmaQueues
 [          ] XGMI SDMA engines number: 0 SDMA queues per engine: 2
 [       OK ] KFDQMTest.AllXgmiSdmaQueues (6 ms)
 [ RUN      ] KFDQMTest.AllQueues
 /home/foreman/build/hsakmt-roct-amdgpu-1.0.9.40500/sources/libhsakmt/tests/kfdtest/src/KFDQMTest.cpp:381: Failure
 Value of: (cpQueues[i].Destroy())
   Actual: 1
 Expected: HSAKMT_STATUS_SUCCESS
 Which is: 0

Signed-off-by: Yifan Zhang <yifan1.zhang@amd.com>
Change-Id: I5b1b5b616a5fd7ff198360c893a7aeed685022bd

src/queues.c

@@ -637,8 +637,10 @@ HSAKMT_STATUS HSAKMTAPI hsaKmtDestroyQueue(HSA_QUEUEID QueueId)
 
 	int err = kmtIoctl(kfd_fd, AMDKFD_IOC_DESTROY_QUEUE, &args);
 
-	if (err == -1)
+	if (err == -1) {
+		pr_err("Failed to destroy queue: %s\n", strerror(errno));
 		return HSAKMT_STATUS_ERROR;
+	}
 
 	free_queue(q);
 	return HSAKMT_STATUS_SUCCESS;