arm64: dts: rockchip: Fix PWM pinctrl names

arm64: dts: rockchip: Fix PWM pinctrl names

These Rockchip boards assign "active" as the pinctrl name for PWM
controllers, which has never been supported in mainline Rockchip PWM
driver. It seems the name used by downstream kernel is accidentally
brought into maineline. Let's fix them.

Fixes: 4403e1237be3 ("arm64: dts: rockchip: Add devicetree for board roc-rk3308-cc")
Fixes: 964ed0807b5f ("arm64: dts: rockchip: add rk3318 A95X Z2 board")
Fixes: e7a095908227 ("arm64: dts: rockchip: Add devicetree for NanoPC-T4")
Fixes: 3f5d336d64d6 ("arm64: dts: rockchip: Add support for rk3588s based board Cool Pi 4B")
Signed-off-by: Yao Zi <ziyao@disroot.org>
Link: https://lore.kernel.org/r/20250310140916.14384-2-ziyao@disroot.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>