[runtime][hip] Do not error when peered memory access already enabled (…

…iree-org#19582)

This fixes the error

```
ALREADY_EXISTS; HIP driver error 'hipErrorPeerAccessAlreadyEnabled' (704): peer access is already enabled; creating device 'hip'
```

This should not be treated as an error.

Signed-off-by: Boian Petkantchin <boian.petkantchin@amd.com>

runtime/src/iree/hal/drivers/hip/hip_device.c

@@ -463,8 +463,11 @@ iree_status_t iree_hal_hip_device_create(
         if (j == device->devices[i].hip_device) {
           continue;
         }
-        status =
-            IREE_HIP_CALL_TO_STATUS(symbols, hipDeviceEnablePeerAccess(j, 0));
+        hipError_t hip_error = symbols->hipDeviceEnablePeerAccess(j, 0);
+        if (hip_error == hipErrorPeerAccessAlreadyEnabled) {
+          continue;
+        }
+        status = IREE_HIP_RESULT_TO_STATUS(symbols, hip_error);
       }
     }
   }