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

drivers/staging/octeon/Kconfig

@@ -3,7 +3,6 @@ config OCTEON_ETHERNET
 	tristate "Cavium Networks Octeon Ethernet support"
 	depends on CAVIUM_OCTEON_SOC || COMPILE_TEST
 	depends on NETDEVICES
-	depends on BROKEN
 	select PHYLIB
 	select MDIO_OCTEON
 	help