USB Power Delivery protocol decoder

Decode the USB Power Delivery packet content.
This decoder must be stacked on top of the BMC decoder (or a possible
FSK decoder for the other variant of the USB Power Delivery PHY)

Change-Id: I8517fc6d000b2a1d46d45eaaf5e5fc807a2f390a
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
2 files changed