include/configs/[p-z]* + misc: 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/xm250.h b/include/configs/xm250.h
index 225d46a..bcd16ec 100644
--- a/include/configs/xm250.h
+++ b/include/configs/xm250.h
@@ -83,6 +83,15 @@
 
 
 /*
+ * 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>