include/configs/[P-Z]*: Cleanup BOOTP and lingering CFG_CMD_*.

Explicitly add in default CONFIG_BOOTP_* options where cmd_confdefs.h
used to be included but CONFIG_BOOTP_MASK was not defined.

Remove lingering references to CFG_CMD_* symbols.

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/include/configs/SXNI855T.h b/include/configs/SXNI855T.h
index efc500c..8f2a5ec 100644
--- a/include/configs/SXNI855T.h
+++ b/include/configs/SXNI855T.h
@@ -148,6 +148,15 @@
 
 
 /*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_BOOTFILESIZE
+#define CONFIG_BOOTP_BOOTPATH
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_HOSTNAME
+
+
+/*
  * Command line configuration.
  */
 #include <config_cmd_default.h>