host_command: Add flags1 to host_command_get_features
host_command: Add flags1 to host_command_get_features

There are two entries in feature flags array. Report back flags1 along
with flag0 while responding to host queries.

BUG=None
BRANCH=None
TEST=make -j buildall

Change-Id: I7e92c9558a5ddee0515e026ea51eb70f1e26eafc
Signed-off-by: Furquan Shaikh <6be5c96c464778f89679b1062a2e0a6af93d2aa5@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/719487
Reviewed-by: Aaron Durbin <af0622ab041e8b0f8e5819838dcc93898196e71f@chromium.org>
Reviewed-by: Shawn N <5259333ce42e3ace6a73988cec7115ed9d3a661a@chromium.org>

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