Based on work by Michael Walle and Jason Cooper.

Added support for getting the interrupt number and address of SRAM
from DT.
Signed-off-by: NAndrew Lunn <andrew@lunn.ch>
Tested-by: NSebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: NJason Cooper <jason@lakedaemon.net>

Conflicts:

	arch/arm/mach-kirkwood/board-dt.c