Fix problems with SNTP support;
enable SNTP support in some boards.
diff --git a/include/configs/RBC823.h b/include/configs/RBC823.h
index 4623dbb..b0e4910 100644
--- a/include/configs/RBC823.h
+++ b/include/configs/RBC823.h
@@ -113,6 +113,7 @@
 				~CFG_CMD_REISER	& \
 				~CFG_CMD_SCSI	& \
 				~CFG_CMD_SETGETDCR & \
+				~CFG_CMD_SNTP	& \
 				~CFG_CMD_SPI	& \
 				~CFG_CMD_UNIVERSE & \
 				~CFG_CMD_USB	& \