remoteproc: imx_rproc: parse fsl,auto-boot

Parse fsl,auto-boot to indicate whether need remoteproc framework
auto boot or not.

When remote processor is booted before Linux Kernel up, do not parse
fsl,auto-boot, so only need to parse the property when rproc state is
RPROC_DETACHED.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/1620274123-1461-5-git-send-email-peng.fan@oss.nxp.com
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

drivers/remoteproc/imx_rproc.c

@@ -654,6 +654,9 @@ static int imx_rproc_probe(struct platform_device *pdev)
 
 	INIT_WORK(&priv->rproc_work, imx_rproc_vq_work);
 
+	if (rproc->state != RPROC_DETACHED)
+		rproc->auto_boot = of_property_read_bool(np, "fsl,auto-boot");
+
 	ret = rproc_add(rproc);
 	if (ret) {
 		dev_err(dev, "rproc_add failed\n");