Add support for Seagate BlackArmor NAS220

Add support for Seagate BlackArmor NAS220

Signed-off-by: Evgeni Dobrev <evgeni@studio-punkt.com>
diff --git a/arch/arm/cpu/arm926ejs/kirkwood/Kconfig b/arch/arm/cpu/arm926ejs/kirkwood/Kconfig
index 6c037a1..45c6687 100644
--- a/arch/arm/cpu/arm926ejs/kirkwood/Kconfig
+++ b/arch/arm/cpu/arm926ejs/kirkwood/Kconfig
@@ -57,6 +57,9 @@
 config TARGET_GOFLEXHOME
 	bool "GoFlex Home Board"
 
+config TARGET_NAS220
+	bool "BlackArmor NAS220"
+
 endchoice
 
 config SYS_SOC
@@ -80,5 +83,6 @@
 source "board/raidsonic/ib62x0/Kconfig"
 source "board/Seagate/dockstar/Kconfig"
 source "board/Seagate/goflexhome/Kconfig"
+source "board/Seagate/nas220/Kconfig"
 
 endif