zephyr: Disable eeprom simulator for driver tests
zephyr: Disable eeprom simulator for driver tests

The EEPROM simulator (enabled by default on posix builds)
creates a file called eeprom.bin in the current directory.

BUG=b:219832922
TEST=zmake configure --test test-drivers
BRANCH=none

Signed-off-by: Andrew McRae <44ad1424cfc8411c96d9181798ca41ae55709dfb@google.com>
Change-Id: I2bea3fd27d58b08ae37a45dd6a09dacebbd3861a
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3466679
Reviewed-by: Aaron Massey <79529a820df71f45023239a3663736629646cc34@google.com>
Reviewed-by: Jeremy Bettis <4df7b5147fee087dca33c181f288ee7dbf56e022@chromium.org>
Commit-Queue: Jeremy Bettis <4df7b5147fee087dca33c181f288ee7dbf56e022@chromium.org>

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