linux-phytec-ti

ARM: at91/dt: define main clk frequency of at91sam9rlek

Define the main clock frequency for the new main clock node in
at91sam9rlek.dts

Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Acked-by: Boris BREZILLON <b.brezillon.dev@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>