It adds missing pinctrl headers, updates clock header and sync up Poplar device tree with kernel 4.20 release. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Pulled from Linux 4.12-rc3 Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> Reviewed-by: Simon Glass <sjg@chromium.org>