dt-bindings: Add a clocks property to the simple-framebuffer binding
A simple-framebuffer node represents a framebuffer setup by the firmware /
bootloader. Such a framebuffer may have a number of clocks in use, add a
property to communicate this to the OS.
Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Mike Turquette <mturquette@linaro.org> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Grant Likely <grant.likely@linaro.org> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>