This implementation revises the UART PCI device reference in common UART driver. The SOC functions have been aligned to provide the UART PCI device reference using pcidev_path_on_root. The uart_get_device() return type is changed, and files in which it gets used are updated. Change-Id: Ie0fe5991f3b0b9c596c3de9472e98e4091d7dd87 Signed-off-by: Aamir Bohra <aamir.bohra@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34582 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Reviewed-by: Nico Huber <nico.h@gmx.de>