Basking: Add two support battery.
Basking: Add two support battery.

BRANCH=reef
BUG=chrome-os-partner:60899
TEST=Insert these two battery to check charge/discharge and cutoff normally.

Signed-off-by: David Huang <10e3d900b2f3b4520c53f0984b76449e42c440ff@quantatw.com>

Change-Id: I14d9b7db5c9d36861952a2c724640e6906310ce4
Reviewed-on: https://chromium-review.googlesource.com/418565
Commit-Ready: David Huang <10e3d900b2f3b4520c53f0984b76449e42c440ff@quantatw.com>
Tested-by: David Huang <10e3d900b2f3b4520c53f0984b76449e42c440ff@quantatw.com>
Reviewed-by: Aaron Durbin <af0622ab041e8b0f8e5819838dcc93898196e71f@chromium.org>

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