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_immap.c b/common/cmd_immap.c
index e211b16..ae95758 100644
--- a/common/cmd_immap.c
+++ b/common/cmd_immap.c
@@ -720,4 +720,4 @@
 );
 
 
-#endif	/* CFG_CMD_IMMAP && (CONFIG_8xx || CONFIG_8260) */
+#endif