package/freescale-imx: add option for i.MX8M Nano

The i.MX8M Nano is slightly different from the i.MX8M Mini but very
close (pin to pin compatible).
Mainly the Nano version has no VPU and another GPU (GC7000UL).

Signed-off-by: Gary Bisson <gary.bisson@boundarydevices.com>
Cc: Refik Tuzakli <tuzakli.refik@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/freescale-imx/Config.in

@@ -49,6 +49,9 @@ config BR2_PACKAGE_FREESCALE_IMX_PLATFORM_IMX8M
 config BR2_PACKAGE_FREESCALE_IMX_PLATFORM_IMX8MM
 	bool "imx8mm"
 
+config BR2_PACKAGE_FREESCALE_IMX_PLATFORM_IMX8MN
+	bool "imx8mn"
+
 config BR2_PACKAGE_FREESCALE_IMX_PLATFORM_IMX8X
 	bool "imx8x"
 endchoice
@@ -68,6 +71,7 @@ config BR2_PACKAGE_FREESCALE_IMX_PLATFORM
 	default "IMX8" if BR2_PACKAGE_FREESCALE_IMX_PLATFORM_IMX8
 	default "IMX8MQ" if BR2_PACKAGE_FREESCALE_IMX_PLATFORM_IMX8M
 	default "IMX8MM" if BR2_PACKAGE_FREESCALE_IMX_PLATFORM_IMX8MM
+	default "IMX8MN" if BR2_PACKAGE_FREESCALE_IMX_PLATFORM_IMX8MN
 
 config BR2_PACKAGE_FREESCALE_IMX_HAS_VPU
 	bool
@@ -89,6 +93,7 @@ config BR2_PACKAGE_FREESCALE_IMX_HAS_VIV_GPU
 		BR2_PACKAGE_FREESCALE_IMX_PLATFORM_IMX8 || \
 		BR2_PACKAGE_FREESCALE_IMX_PLATFORM_IMX8M || \
 		BR2_PACKAGE_FREESCALE_IMX_PLATFORM_IMX8MM || \
+		BR2_PACKAGE_FREESCALE_IMX_PLATFORM_IMX8MN || \
 		BR2_PACKAGE_FREESCALE_IMX_PLATFORM_IMX8X
 
 source "package/freescale-imx/imx-alsa-plugins/Config.in"