volteer: disable console commands to save space
volteer: disable console commands to save space

Disable adc, battfake, and cbi console commands to save space on
Volteer.

With this change:
    volteer_apmodeentry: 2208 bytes flash available
    volteer: 2272 bytes flash available

BUG=b:202460235
BRANCH=none
TEST=make volteer, make volteer_apmodeentry

Signed-off-by: Keith Short <f6d578f97033c25f1206cb57d52f358974c82954@chromium.org>
Change-Id: I1192cc1db797c2eba10268fc10f18710af99f91f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3213361
Commit-Queue: Diana Z <cb2016afc7183e5356c690dc63b4ba817470501a@chromium.org>
Reviewed-by: Diana Z <cb2016afc7183e5356c690dc63b4ba817470501a@chromium.org>

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