dt-bindings: pwm: allwinner,sun4i-a10: Add F1C100s compatible

dt-bindings: pwm: allwinner,sun4i-a10: Add F1C100s compatible

The PWM controller in the Allwinner F1C100s series of SoCs is the same
as in the A20 SoCs, so allow using that as the fallback name.

Join the V3s compatible string in an enum on the way.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221107005433.11079-2-andre.przywara@arm.com
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>