soc: imx: Add i.MX8MP SoC driver support

Add i.MX8MP SoC driver support:

root@imx8mpevk:~# cat /sys/devices/soc0/family
Freescale i.MX

root@imx8mpevk:~# cat /sys/devices/soc0/machine
FSL i.MX8MP EVK

root@imx8mpevk:~# cat /sys/devices/soc0/soc_id
i.MX8MP

root@imx8mpevk:~# cat /sys/devices/soc0/revision
1.0
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Abel Vesa <abel.vesa@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

drivers/soc/imx/soc-imx8.c

@@ -142,10 +142,16 @@ static const struct imx8_soc_data imx8mn_soc_data = {
 	.soc_revision = imx8mm_soc_revision,
 };
 
+static const struct imx8_soc_data imx8mp_soc_data = {
+	.name = "i.MX8MP",
+	.soc_revision = imx8mm_soc_revision,
+};
+
 static const struct of_device_id imx8_soc_match[] = {
 	{ .compatible = "fsl,imx8mq", .data = &imx8mq_soc_data, },
 	{ .compatible = "fsl,imx8mm", .data = &imx8mm_soc_data, },
 	{ .compatible = "fsl,imx8mn", .data = &imx8mn_soc_data, },
+	{ .compatible = "fsl,imx8mp", .data = &imx8mp_soc_data, },
 	{ }
 };