imx: add Kconfig entry for i.MX8QXP

Add Kconfig entry for i.MX8QXP

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index ccf2a84..4f597b7 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -668,6 +668,12 @@
 	  targeted at media players and tablet computers. We currently
 	  support the S905 (GXBaby) 64-bit SoC.
 
+config ARCH_IMX8
+	bool "NXP i.MX8 platform"
+	select ARM64
+	select DM
+	select OF_CONTROL
+
 config ARCH_MX8M
 	bool "NXP i.MX8M platform"
 	select ARM64
@@ -1407,6 +1413,8 @@
 
 source "arch/arm/mach-imx/mx7ulp/Kconfig"
 
+source "arch/arm/mach-imx/imx8/Kconfig"
+
 source "arch/arm/mach-imx/mx8m/Kconfig"
 
 source "arch/arm/mach-imx/mxs/Kconfig"