config: Enable CONFIG_USB_PD_VBUS_MEASURE_CHARGER for bq25710
config: Enable CONFIG_USB_PD_VBUS_MEASURE_CHARGER for bq25710

With CL:1479876, bq25710 supports VBUS measurement, and thus
CONFIG_USB_PD_VBUS_MEASURE_CHARGER should be turned on
for boards using bq25710.

BUG=b:124968142
BRANCH=none
TEST=verify VBUS measurement via 'ectool usbpdpower'

Change-Id: I2166ec89d140895599dc740215d9aeb039b70178
Signed-off-by: Philip Chen <3ee404f9ef892bc3fda6e6a76e65843b5fa44db2@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/1479877
Commit-Ready: ChromeOS CL Exonerator Bot <fa429e5907f00867f797423aea74327bb02c91b6@appspot.gserviceaccount.com>
Reviewed-by: Scott Collyer <7d40b3eb9e17bf55d972074a5e77a7ea4159f9dd@chromium.org>

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