arm: mvebu: Remove unreferenced define

MAX_MVNETA_DEVS is not used anywhere in U-Boot. So lets remove it.

Signed-off-by: Stefan Roese <sr@denx.de>
Tested-by: Kevin Smith <kevin.smith@elecsyscorp.com>
Tested-by: Dirk Eibach <dirk.eibach@gdsys.cc>

arch/arm/mach-mvebu/include/mach/soc.h

@@ -46,9 +46,6 @@
 #define SDRAM_MAX_CS		4
 #define SDRAM_ADDR_MASK		0xFF000000
 
-/* Armada XP GbE controller has 4 ports */
-#define MAX_MVNETA_DEVS		4
-
 /* MVEBU CPU memory windows */
 #define MVCPU_WIN_CTRL_DATA	CPU_WIN_CTRL_DATA
 #define MVCPU_WIN_ENABLE	CPU_WIN_ENABLE