volteer: Enable options to support charging from USB-C

The TCPC is used to detect VBUS, so update that option. Also enable
USB_DRP_ACC_TRYSRC since that is used with the TCPMV2 stack.

TEST=build on volteer
With other CLs, connect a USB-C 30W charger to left port and it
charges at full rate

Change-Id: I38a4c4556ceb7a4fa303b31066c345f5ad12037c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/zephyr-chrome/+/2618741
Reviewed-by: Keith Short <keithshort@chromium.org>
Reviewed-by: Yuval Peress <peress@chromium.org>
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
Commit-Queue: Simon Glass <sjg@chromium.org>
Tested-by: Simon Glass <sjg@chromium.org>
1 file changed