board: phytec: imx8mp: Add PHYTEC phyCORE-i.MX8MP support

Add initial support PHYTEC phyCORE-i.MX8MP SOM.

    Supported features:
     - 2GB LPDDR4 RAM
     - eMMC
     - external SD
     - debug UART2
     - watchdog

Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Reviewed-by: Heiko Schocher <hs@denx.de>
diff --git a/arch/arm/mach-imx/imx8m/Kconfig b/arch/arm/mach-imx/imx8m/Kconfig
index bd2ab77..78e4fb6 100644
--- a/arch/arm/mach-imx/imx8m/Kconfig
+++ b/arch/arm/mach-imx/imx8m/Kconfig
@@ -77,6 +77,12 @@
 	select IMX8MM
         select SUPPORT_SPL
 	select IMX8M_LPDDR4
+
+config TARGET_PHYCORE_IMX8MP
+	bool "PHYTEC PHYCORE i.MX8MP"
+	select IMX8MP
+        select SUPPORT_SPL
+	select IMX8M_LPDDR4
 endchoice
 
 source "board/freescale/imx8mq_evk/Kconfig"
@@ -88,5 +94,6 @@
 source "board/toradex/verdin-imx8mm/Kconfig"
 source "board/beacon/imx8mm/Kconfig"
 source "board/phytec/phycore_imx8mm/Kconfig"
+source "board/phytec/phycore_imx8mp/Kconfig"
 
 endif