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/hush.c b/common/hush.c
index bb6585e..582635c 100644
--- a/common/hush.c
+++ b/common/hush.c
@@ -1694,7 +1694,7 @@
 				else
 					flag |= CMD_FLAG_BOOTD;
 				}
-#endif	/* CFG_CMD_BOOTD */
+#endif
 				/* found - check max args */
 				if ((child->argc - i) > cmdtp->maxargs) {
 					printf ("Usage:\n%s\n", cmdtp->usage);