arm: socfpga: Add Altera Arria V DK support

Add support for the Altera Arria V development kit.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Chin Liang See <clsee@opensource.altera.com>
Cc: Dinh Nguyen <dinguyen@opensource.altera.com>
Cc: Pavel Machek <pavel@denx.de>
Cc: Stefan Roese <sr@denx.de>
Cc: Vince Bridgers <vbridger@opensource.altera.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index bc55e5b..452a843 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -567,6 +567,11 @@
 	select CPU_V7
 	select SUPPORT_SPL
 
+config TARGET_SOCFPGA_ARRIA5
+	bool "Support socfpga_arria5"
+	select CPU_V7
+	select SUPPORT_SPL
+
 config TARGET_SOCFPGA_CYCLONE5
 	bool "Support socfpga_cyclone5"
 	select CPU_V7