Staging: sxg: Ethtool framework and Receive code path changes

* Add Ethtool framework to driver
* Makefile changes to fix build redundancy.
* Fix ups to error code paths in receieve buffer allocation as well as receive code path.
* Read MAC address from FLASH/EEPROM

Signed-off-by: LinSysSoft Sahara Team <saharaproj@linsyssoft.com>
Signed-off-by: Christopher Harrer <charrer@alacritech.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --cc drivers/staging/sxg/Makefile
Simple merge

diff --cc drivers/staging/sxg/sxg.c
Simple merge

diff --cc drivers/staging/sxg/sxg.h
Simple merge

diff --cc drivers/staging/sxg/sxg_ethtool.c
Simple merge

diff --cc drivers/staging/sxg/sxghif.h
Simple merge