s6gmac: Move the s6gmac drivers

Move the s6gmac driver to drivers/net/ethernet/ and
make the necessary Kconfig and Makefile changes.

CC: Oskar Schirmer <os@emlix.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/Kconfig

@@ -643,17 +643,6 @@ config JME
 	  To compile this driver as a module, choose M here. The module
 	  will be called jme.
 
-config S6GMAC
-	tristate "S6105 GMAC ethernet support"
-	depends on XTENSA_VARIANT_S6000
-	select PHYLIB
-	help
-	  This driver supports the on chip ethernet device on the
-	  S6105 xtensa processor.
-
-	  To compile this driver as a module, choose M here. The module
-	  will be called s6gmac.
-
 endif # NETDEV_1000
 
 #