Commits
Merge tag 'u-boot-rockchip-20191206' of https://gitlab.denx.de/u-boot/custodians/u-boot-rockchip - rockchip pwm driver update to support all the SoCs - RK3308 GMAC and pinctrl support - More UART interface support on PX30 and pmugrf reg fix - Fixup on misc for eth_addr/serial# - Other updates on variant SoCs