ipc4: a failure to find a driver might not be fatal

When ipc4_get_drv() fails to find a driver, it might mean, that the
driver needs to be linked dynamically. Printing an error in such a
case wrongly fails CI testing.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>

src/ipc/ipc4/helper.c

@@ -910,11 +910,11 @@ const struct comp_driver *ipc4_get_drv(const uint8_t *uuid)
 		}
 	}
 
-	tr_err(&comp_tr, "get_drv(): the provided UUID (%08x %08x %08x %08x) can't be found!",
-	       *(uint32_t *)(&uuid[0]),
-	       *(uint32_t *)(&uuid[4]),
-	       *(uint32_t *)(&uuid[8]),
-	       *(uint32_t *)(&uuid[12]));
+	tr_warn(&comp_tr, "get_drv(): the provided UUID (%08x %08x %08x %08x) can't be found!",
+		*(uint32_t *)(&uuid[0]),
+		*(uint32_t *)(&uuid[4]),
+		*(uint32_t *)(&uuid[8]),
+		*(uint32_t *)(&uuid[12]));
 
 out:
 	irq_local_enable(flags);