tree 94be86c61180c2d47fc965bc6517fa1f1e867089
parent cedf8fc055b27be034ef2d2c627aea7bcb6e66d6
author June Tate-Gans <jtgans@google.com> 1658274206 -0500
committer June Tate-Gans <jtgans@google.com> 1658343296 -0500

tock: Migrate to using an opentitan UART driver

This brings in the uart driver from lowrisc::uart, but updates it to
use offsets from the opentitan-upstream tree in an effort to get us
off the old tree.

Bug: 228243751
Change-Id: If3b9ce99ee107303d37de46dee591f120577be34