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This enables the feature that lets the Cr50 receive host commands
via the SPI (slave) interface.
BUG=chrome-os-partner:40969
BRANCH=none
TEST=make buildall
CQ-DEPEND=CL:283998
This CL also adds a test example in the extra/ftdi_hostcmd/
directory. To use it, you need the Cr50 attached to the build
host via an FTDI USB-to-SPI adapter.
cd extra/ftdi_hostcmd
make
./test_cmds
Change-Id: Ia719b1c898afc45b3105a9cd573a8492178d9be2
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/284001
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