TCPMv2: Include pd_get_vdo_ver function when building for REV3.0
TCPMv2: Include pd_get_vdo_ver function when building for REV3.0

BUG=chromium:1021235
BRANCH=none
TEST=make -j buildall
	Manual tests:
	Enabled TCPMv2 with CONFIG_USB_PD_REV30 macro
	and built without errors.
Signed-off-by: Sam Hurst <500b4cddcd66abe3fe333e92c4c95d7f41e62e4e@google.com>

Change-Id: I895eb03e9faf0748afe64cc1e524094ac3270f42
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2102761
Tested-by: Sam Hurst <500b4cddcd66abe3fe333e92c4c95d7f41e62e4e@google.com>
Reviewed-by: Aseda Aboagye <12c9b286316a940fd31c24070da5ab64cdd4d0e7@chromium.org>
Commit-Queue: Sam Hurst <500b4cddcd66abe3fe333e92c4c95d7f41e62e4e@google.com>

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