BACKPORT: cleanup: espi: it8xxx2: eliminate DRV_CONFIG() and DRV_DATA() macros

The two macros aren't required in the file.

BUG=none
TEST=zmake testall

Signed-off-by: Dino Li <Dino.Li@ite.com.tw>
(cherry picked from commit 584e38c9b4a6ee6f9d4ddaf751f382a6388130a6)
Change-Id: Iffce37a2a26d56a977a465af5b67339d2c18a260
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/+/3312404
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Commit-Queue: Denis Brockus <dbrockus@chromium.org>
1 file changed