zephyr: test: drivers: tick to zephyr v2.6
zephyr: test: drivers: tick to zephyr v2.6

BRANCH=none
BUG=none
TEST=zmake configure --test zephyr/test/drivers

Cq-Depend: chromium:3039315
Signed-off-by: Yuval Peress <50dc11c009bd4d7e9d9d15a383c1743ce5ee82ef@chromium.org>
Change-Id: Ie5b10db6ab29c746bada8f5a8c062eae859a56fe
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3039389
Reviewed-by: Jeremy Bettis <4df7b5147fee087dca33c181f288ee7dbf56e022@chromium.org>

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