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/GEN860T.h b/include/configs/GEN860T.h
index 612b661..2b2d15a 100644
--- a/include/configs/GEN860T.h
+++ b/include/configs/GEN860T.h
@@ -222,12 +222,6 @@
 								CFG_POST_UART		| \
 								CFG_POST_SPR )
 
-#ifdef CONFIG_POST
-#define CFG_CMD_POST_DIAG CFG_CMD_DIAG
-#else
-#define CFG_CMD_POST_DIAG		0
-#endif
-
 
 /*
  * Command line configuration.
@@ -245,12 +239,14 @@
 #define CONFIG_CMD_FPGA
 #define CONFIG_CMD_MII
 #define CONFIG_CMD_BEDBUG
-#define CONFIG_CMD_POST_DIAG
 
 #if !defined(CONFIG_SC)
     #define CONFIG_CMD_DOC
 #endif
 
+#ifdef CONFIG_POST
+u #define CONFIG_CMD_DIAG
+#endif
 
 /*
  * There is no IDE/PCMCIA hardware support on the board.