x86: minnowmax: Remove CONFIG_SMSC_LPC47M

There is no SMSC LPC47M Super I/O chipset on the MinnowMax board.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/include/configs/minnowmax.h b/include/configs/minnowmax.h
index 6ea607d..5b24c2b 100644
--- a/include/configs/minnowmax.h
+++ b/include/configs/minnowmax.h
@@ -15,7 +15,6 @@
 
 #define CONFIG_SYS_MONITOR_LEN		(1 << 20)
 
-#define CONFIG_SMSC_LPC47M
 #define CONFIG_MISC_INIT_R
 
 #define CONFIG_STD_DEVICES_SETTINGS	"stdin=usbkbd,serial\0" \