Revert "staging/octeon: Mark Ethernet driver as BROKEN"

This reverts commit 075a1e87. Now that
the build issues have been fixed we can resume build testing.

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Link: https://lore.kernel.org/r/20200205001116.14096-7-chris.packham@alliedtelesis.co.nz


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>