Add support for Atmel's AT91CAP9 Customizable Microcontroller family.
  <http://www.atmel.com/products/AT91CAP/Default.asp

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Signed-off-by: Stelian Pop <stelian@popies.net>
Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>