lpc32xx: add Ethernet support

Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
diff --git a/arch/arm/include/asm/arch-lpc32xx/sys_proto.h b/arch/arm/include/asm/arch-lpc32xx/sys_proto.h
index 28812be3..a6b8826 100644
--- a/arch/arm/include/asm/arch-lpc32xx/sys_proto.h
+++ b/arch/arm/include/asm/arch-lpc32xx/sys_proto.h
@@ -8,5 +8,6 @@
 #define _LPC32XX_SYS_PROTO_H
 
 void lpc32xx_uart_init(unsigned int uart_id);
+void lpc32xx_mac_init(void);
 
 #endif /* _LPC32XX_SYS_PROTO_H */