common/: Remove lingering references to CFG_CMD_* symbols.

Fixed some broken instances of "#ifdef CMD_CFG_IDE" too.
Those always evaluated TRUE, and thus were always compiled
even when IDE really wasn't defined/wanted.

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/common/cmd_misc.c b/common/cmd_misc.c
index 4d5a2ff..c0c6b8f 100644
--- a/common/cmd_misc.c
+++ b/common/cmd_misc.c
@@ -69,4 +69,4 @@
 	"    - delay execution for N seconds (N is _decimal_ !!!)\n"
 );
 
-#endif	/* CFG_CMD_MISC */
+#endif