zephyr: un-break our build from COIL renames
zephyr: un-break our build from COIL renames

CL:2558905 broke our build as it renamed this file.  Update the name
here too.

BUG=b:174572350
BRANCH=none
TEST=build for volteer

Signed-off-by: Jack Rosenthal <d3f605bef1867f59845d4ce6e4f83b8dc9e4e0ae@chromium.org>
Change-Id: I96c0922a988df05b8935b169781b809bd4425b7d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2567586
Commit-Queue: Diana Z <cb2016afc7183e5356c690dc63b4ba817470501a@chromium.org>
Reviewed-by: Diana Z <cb2016afc7183e5356c690dc63b4ba817470501a@chromium.org>

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