src/sys/dev/itwd, branch releng/12.2

src/sys/dev/itwd, branch releng/12.2 FreeBSD source tree https://cgit-dev.freebsd.org/src/atom?h=releng%2F12.2 2019-11-05T06:55:09Z MFC r353647: itwd(4): driver for watchdog function in ITE Super I/O chips 2019-11-05T06:55:09Z Andriy Gapon avg@FreeBSD.org 2019-11-05T06:55:09Z urn:sha1:e2f54fdcfccc3324dd6b242f3dea731e861a2e68 This branch does not have files.x86, so the driver is added to files.{amd64,i386}.