zephyr: Add power console command test
zephyr: Add power console command test

Test the `power` console command

BUG=b:243915799
BRANCH=NONE
TEST=./twister -T zephyr/test

Signed-off-by: Al Semjonovs <c3a2ecb550cad1e7d5a943ca6241377f7b43ffc4@google.com>
Change-Id: Ibac135f6841df4426af8f57819353f36acf7bb6c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3858394
Reviewed-by: Jeremy Bettis <4df7b5147fee087dca33c181f288ee7dbf56e022@chromium.org>
Code-Coverage: Zoss <345cf107e82c70959d46f59d98bddc98ce458aff@prod.google.com>

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