dt: binding: add at91 clks dt bindings documentation

This patch adds new at91 clks dt bindings documentation.

Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
1 file changed