ARM: dts: clps711x: Add bindings documentation for CLPS711X irqchip driver

Add OF document for Cirrus Logic CLPS711X irqchip driver.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Rob Herring <robh@kernel.org>
1 file changed