disk/ doc/ lib_*/ and tools/: 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/tools/updater/cmd_flash.c b/tools/updater/cmd_flash.c
index 746bcbb..a976e0d 100644
--- a/tools/updater/cmd_flash.c
+++ b/tools/updater/cmd_flash.c
@@ -427,4 +427,4 @@
 	return rcode;
 }
 
-#endif	/* CFG_CMD_FLASH */
+#endif