zephyr: tests: drivers: Support Zephyr v2.7
zephyr: tests: drivers: Support Zephyr v2.7

Mark v2.7 as supported now that the build works (this driver relied on
missing FROMPULL commits).

BUG=b:198824039
BRANCH=none
TEST=zmake configure --test zephyr/test/drivers

Signed-off-by: Jack Rosenthal <d3f605bef1867f59845d4ce6e4f83b8dc9e4e0ae@chromium.org>
Change-Id: Ib294186968e3182940b184acf0e3e5522ea4cc3b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3197514
Commit-Queue: Keith Short <f6d578f97033c25f1206cb57d52f358974c82954@chromium.org>
Reviewed-by: Keith Short <f6d578f97033c25f1206cb57d52f358974c82954@chromium.org>

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