net: ethernet: arc: remove emac_arc driver

The last real user nSIM_700 of the "snps,arc-emac" compatible string in
a driver was removed in 2019. The use of this string in the combined DT of
rk3066a/rk3188 as place holder has also been replaced, so
remove emac_arc.c to clean up some code.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/arc/Kconfig

@@ -23,16 +23,6 @@ config ARC_EMAC_CORE
 	select PHYLIB
 	select CRC32
 
-config ARC_EMAC
-	tristate "ARC EMAC support"
-	select ARC_EMAC_CORE
-	depends on OF_IRQ
-	depends on ARC || COMPILE_TEST
-	help
-	  On some legacy ARC (Synopsys) FPGA boards such as ARCAngel4/ML50x
-	  non-standard on-chip ethernet device ARC EMAC 10/100 is used.
-	  Say Y here if you have such a board.  If unsure, say N.
-
 config EMAC_ROCKCHIP
 	tristate "Rockchip EMAC support"
 	select ARC_EMAC_CORE

drivers/net/ethernet/arc/Makefile

@@ -5,5 +5,4 @@
 
 arc_emac-objs := emac_main.o emac_mdio.o
 obj-$(CONFIG_ARC_EMAC_CORE) += arc_emac.o
-obj-$(CONFIG_ARC_EMAC) += emac_arc.o
 obj-$(CONFIG_EMAC_ROCKCHIP) += emac_rockchip.o