i.mx7d: Change SRC unimplemented device name from sdma to src

Signed-off-by: NJean-Christophe Dubois <jcd@tribudubois.net>
Reviewed-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

hw/arm/fsl-imx7.c

@@ -459,7 +459,7 @@ static void fsl_imx7_realize(DeviceState *dev, Error **errp)
     /*
      * SRC
      */
-    create_unimplemented_device("sdma", FSL_IMX7_SRC_ADDR, FSL_IMX7_SRC_SIZE);
+    create_unimplemented_device("src", FSL_IMX7_SRC_ADDR, FSL_IMX7_SRC_SIZE);
 
     /*
      * Watchdog