[drivers][spi] Fixed an issue that caused spi bus deadlock in the spi configuration

components/drivers/spi/dev_spi_core.c

@@ -111,7 +111,7 @@ rt_err_t rt_spi_bus_configure(struct rt_spi_device *device)
                 /* RT_EBUSY is not an error condition and
                  * the configuration will take effect once the device has the bus
                  */
-                return -RT_EBUSY;
+                result = -RT_EBUSY;
             }
 
             /* release lock */