include/: Remove obsolete references to CONFIG_COMMANDS
Mostly removed from comments here.

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/include/configs/ZPC1900.h b/include/configs/ZPC1900.h
index 30c7790..fb5bc0f 100644
--- a/include/configs/ZPC1900.h
+++ b/include/configs/ZPC1900.h
@@ -55,8 +55,8 @@
  * SCC, 1-3 for FCC)
  *
  * If CONFIG_ETHER_NONE is defined, then either the ethernet routines
- * must be defined elsewhere (as for the console), or CFG_CMD_NET must
- * be removed from CONFIG_COMMANDS to remove support for networking.
+ * must be defined elsewhere (as for the console), or CONFIG_CMD_NET
+ * must be unset.
  */
 #undef	CONFIG_ETHER_ON_SCC		/* Ethernet is not on SCC */
 #define CONFIG_ETHER_ON_FCC		/* Ethernet is on FCC     */