make AVR32 ethernet controller available to the whole architecture

The MACB ethernet controller is an AVR32 architecture feature. Therefore
it should be available to all boards of this architecture instead of the
NGW1000 board only.

Signed-off-by: Mario Haustein <mario.haustein@hrz.tu-chemnitz.de>

target/linux/config/Config.in.ethernet

@@ -357,15 +357,18 @@ config ADK_KERNEL_IBMVETH
 	  IBM ethernet driver
 
 config ADK_KERNEL_MACB
-	tristate "Atmel NGW100 network driver"
+	tristate "Atmel AT32/AT91 network driver"
 	select ADK_KERNEL_NET_CADENCE
-	depends on ADK_TARGET_SYSTEM_ATMEL_NGW100 \
+	depends on ADK_TARGET_CPU_AVR32 \
 		|| ADK_TARGET_SYSTEM_QEMU_ARM_XILINX_ZYNQ
 	default y if ADK_TARGET_SYSTEM_ATMEL_NGW100
+	default y if ADK_TARGET_SYSTEM_ATMEL_GRASSHOPPER
 	default y if ADK_TARGET_SYSTEM_QEMU_ARM_XILINX_ZYNQ
 	default n
 	help
-	  Atmel NGW100 network driver
+	  Ethernet Driver for Atmel AT32 and AT91 parts. This driver
+	  also supports the Cadence GEM (Gigabit Ethernet MAC found
+	  in some ARM SoC devices).
 
 config ADK_KERNEL_TI_DAVINCI_MDIO
 	tristate "BeagleBone Back Davinci"