Ethernet controller. To ensure proper operation, some methods
needed to be updated in the SMSC9220's native driver as well.
It passes all related Greentea tests, however when supervised by
the Python environment it tends to fail because of Timeout.
The current timeout is set to 1200s that seems to be a little bit short
to finish all test cases, the timeout happens towards the end of the
last test case.
Change-Id: I914608c34828b493a80e133cd132537a297bfc84
Signed-off-by: Bence Kaposzta <bence.kaposzta@arm.com>
Bence Kaposzta