Check keyboard more often in recovery mode

Currently we check the keyboard each 250ms. This makes for a pretty choppy
experience when changing languages. Change to check every 20ms, without
changing the disk check interval (which remains 1s).

BUG=chrome-os-partner:13717
BRANCH=snow
TEST=manual
Boot into recovery
Try changing language on snow with left/right arrow and see that it updates
instantly.

Change-Id: I2ae411bc36fdb2badac11595b099bca43f116669
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/32463
Commit-Ready: Tom Wai-Hong Tam <waihong@chromium.org>
Reviewed-by: Tom Wai-Hong Tam <waihong@chromium.org>
Tested-by: Tom Wai-Hong Tam <waihong@chromium.org>
1 file changed