PCHG: Print error name
PCHG: Print error name

This patch makes PCHG print error names when they are reported.

BUG=b:245764044
BRANCH=None
TEST=Redrix

Signed-off-by: Daisuke Nojiri <fd5f93af191bf7e8f73ea71cc3c0f66b41b1dd49@chromium.org>
Change-Id: I077161168e068bb62684008e3b613b241229efa0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3965280
Reviewed-by: caveh jalali <08e24a66aefda7a55ca7d73f8903e0fb16eec763@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec