sh: r7780mp: Remove CONFIG_DRIVER_NE2000 from config

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

include/configs/r7780mp.h

@@ -154,7 +154,6 @@
 #define CONFIG_RTL8169
 */
 /* AX88796L Support(NE2000 base chip) */
-#define CONFIG_DRIVER_NE2000
 #define CONFIG_DRIVER_AX88796L
 #define CONFIG_DRIVER_NE2000_BASE	0xA4100000
 #endif