hammerd: Align the output of TouchpadInfo to sysfs

In the standard Elan sysfs output, drivers/input/mouse/elan_i2c_core.c,
elan_sysfs_read_product_id() use ETP_PRODUCT_ID_FORMAT_STRING, which is
"%d.0". In addition, elan_sysfs_read_fw_ver() use "%d.0\n" as well.

BUG=b:65534217
TEST=FEATURES=test emerge-poppy hammerd

Change-Id: Ib3302624f1333cd7c3411d536915c7564ee29bfb
Reviewed-on: https://chromium-review.googlesource.com/694943
Commit-Ready: Chun-ta Lin <itspeter@chromium.org>
Tested-by: Chun-ta Lin <itspeter@chromium.org>
Reviewed-by: Chih-Yu Huang <akahuang@chromium.org>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
1 file changed