[ARM] 3952/1: AT91: Hardware headers for SAM9 perhipherals

This patch adds definitions for the new peripherals integrated in the
AT91SAM9260 and AT91SAM9261 processors:  ECC, LCD, RSTC, RTT, SHDWC,
WDT, MATRIX, SDRAMC, SMC.

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>