ARM: socfpga: Enable SMP for socfpga

Enable SMP for the SOCFPGA platform.

Signed-off-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Reviewed-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Documentation/devicetree/bindings/arm/altera/socfpga-reset.txt

@@ -0,0 +1,11 @@
+Altera SOCFPGA Reset Manager
+
+Required properties:
+- compatible : "altr,rst-mgr"
+- reg : Should contain 1 register ranges(address and length)
+
+Example:
+	 rstmgr@ffd05000 {
+		compatible = "altr,rst-mgr";
+		reg = <0xffd05000 0x1000>;
+	};

Documentation/devicetree/bindings/arm/altera/socfpga-system.txt

@@ -0,0 +1,11 @@
+Altera SOCFPGA System Manager
+
+Required properties:
+- compatible : "altr,sys-mgr"
+- reg : Should contain 1 register ranges(address and length)
+
+Example:
+	 sysmgr@ffd08000 {
+		compatible = "altr,sys-mgr";
+		reg = <0xffd08000 0x1000>;
+	};