highbank: kconfig: move common settings

Move Highbank-specific settings to highbank/Kconfig.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Rob Herring <robh@kernel.org>
diff --git a/arch/arm/cpu/armv7/highbank/Kconfig b/arch/arm/cpu/armv7/highbank/Kconfig
new file mode 100644
index 0000000..9527928
--- /dev/null
+++ b/arch/arm/cpu/armv7/highbank/Kconfig
@@ -0,0 +1,19 @@
+if ARCH_HIGHBANK
+
+config SYS_CPU
+	string
+	default "armv7"
+
+config SYS_BOARD
+	string
+	default "highbank"
+
+config SYS_SOC
+	string
+	default "highbank"
+
+config SYS_CONFIG_NAME
+	string
+	default "highbank"
+
+endif