mx7ulp: Add support for Embedded Artists COM board

The Embedded Artists COM board is based on NXP i.MX7ULP.

It has a BD70528 PMIC from Rohm with discrete DCDC powering option and
improved current observability (compared to the existing NXP i.MX7ULP EVK).

Add the initial support for the board.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
diff --git a/arch/arm/mach-imx/mx7ulp/Kconfig b/arch/arm/mach-imx/mx7ulp/Kconfig
index 138c583..6680f85 100644
--- a/arch/arm/mach-imx/mx7ulp/Kconfig
+++ b/arch/arm/mach-imx/mx7ulp/Kconfig
@@ -15,6 +15,11 @@
 	prompt "MX7ULP board select"
 	optional
 
+config TARGET_MX7ULP_COM
+	bool "Support MX7ULP COM board"
+	select MX7ULP
+	select SYS_ARCH_TIMER
+
 config TARGET_MX7ULP_EVK
 	bool "Support mx7ulp EVK board"
 	select MX7ULP
@@ -22,6 +27,7 @@
 
 endchoice
 
+source "board/ea/mx7ulp_com/Kconfig"
 source "board/freescale/mx7ulp_evk/Kconfig"
 
 endif