ARM: Add Altera SOCFPGA Cyclone5

Add minimal support for Altera's SOCFPGA Cyclone 5 hardware.

Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Signed-off-by: Chin Liang See <clsee@altera.com>
Signed-off-by: Pavel Machek <pavel@denx.de>
Reviewed-by: Marek Vasut <marex@denx.de>
Acked-by: Tom Trini <trini@ti.com>
Cc: Wolfgang Denx <wd@denx.de>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Stefan Roese <sr@denx.de>
----
v8: Remove no_return attribute for reset_cpu

Based on v2012.10-rc2
diff --git a/MAINTAINERS b/MAINTAINERS
index 7004716..200426e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -781,6 +781,11 @@
 
    am3517_crane    ARM ARMV7 (AM35x SoC)
 
+Dinh Nguyen <dinguyen@altera.com>
+Chin Liang See <clsee@altera.com>
+
+	socfpga		socfpga_cyclone5
+
 Sandeep Paulraj <s-paulraj@ti.com>
 
 	davinci_dm355evm	ARM926EJS