board/km: add support for expu1 design based on nxp

The EXPU1 design is a new 40G capable ethernet service unit card for
Hitachi-Powergrids wired-com product lines.

The base SoC is same as for already added SELI8 card, consequently the
already added u-boot support for SELI8 is reused.

Signed-off-by: Rainer Boschung <rainer.boschung@hitachi-powergrids.com>
Signed-off-by: Aleksandar Gerasimovski <aleksandar.gerasimovski@hitachi-powergrids.com>
[Fixed new line error at EOF]
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 31d687e..c3e8bd7 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1491,6 +1491,24 @@
 	 SELI8 is a QorIQ LS1021a based service unit card used
 	 in XMC20 and FOX615 product families.
 
+config TARGET_PG_WCOM_EXPU1
+	bool "Support Hitachi-Powergrids EXPU1 service unit card"
+	select ARCH_LS1021A
+	select ARCH_SUPPORT_PSCI
+	select BOARD_EARLY_INIT_F
+	select BOARD_LATE_INIT
+	select CPU_V7A
+	select CPU_V7_HAS_NONSEC
+	select CPU_V7_HAS_VIRT
+	select SYS_FSL_DDR
+	select FSL_DDR_INTERACTIVE
+	select VENDOR_KM
+	imply SCSI
+	help
+	 Support for Hitachi-Powergrids EXPU1 service unit card.
+	 EXPU1 is a QorIQ LS1021a based service unit card used
+	 in XMC20 and FOX615 product families.
+
 config TARGET_LS1021ATSN
 	bool "Support ls1021atsn"
 	select ARCH_LS1021A