Clear up confusion over the CMD_POST and POST_DIAG mess.

For some reason, CONFIG_POST permeated as CONFIG_CMD_POST_DIAG
when it really means just CONFIG_CMD_DIAG.  There is no CMD_POST.
Clear this mess up some.

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/include/configs/uc100.h b/include/configs/uc100.h
index 2bdc55b..d223c58 100644
--- a/include/configs/uc100.h
+++ b/include/configs/uc100.h
@@ -117,12 +117,6 @@
 				CFG_POST_SPR )
 #undef  CONFIG_POST
 
-#ifdef CONFIG_POST
-#define CFG_CMD_POST_DIAG       CFG_CMD_DIAG
-#else
-#define CFG_CMD_POST_DIAG	0
-#endif
-
 
 /*
  * Command line configuration.
@@ -140,9 +134,12 @@
 #define CONFIG_CMD_MII
 #define CONFIG_CMD_NFS
 #define CONFIG_CMD_PING
-#define CONFIG_CMD_POST
 #define CONFIG_CMD_SNTP
 
+#ifdef CONFIG_POST
+#define CONFIG_CMD_DIAG
+#endif
+
 
 #define CONFIG_NETCONSOLE