Revert "kernel 3.14: add Marvell 88E6171 switch driver"

This reverts commit f9966d26ccde6b0f437aa2c3049432e1b713183e.
Revert "kernel: Add driver for Marvell 88E6171 switches"

This reverts commit 379622bc181922a35e0730a382709c6c2a1251e1.
kernel: add Marvell 88E6171 switch driver

Signed-off-by: Claudio Leite <leitec@staticky.com>
kernel: complete mvsw6171 status function