[ARM] 4147/1: AT91: Define Timer/Counter clocks.

Define the Timer/Counter Unit clocks on the AT91RM9200, AT91SAM9260 and
AT91SAM9261 processors.

Original patch from David Brownell.

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

diff --cc arch/arm/mach-at91/at91rm9200.c
Simple merge

diff --cc arch/arm/mach-at91/at91sam9260.c
Simple merge

diff --cc arch/arm/mach-at91/at91sam9261.c
Simple merge