Move stdlib header files to include/lib/stdlib
* Move stdlib header files from include/stdlib to include/lib/stdlib for
consistency with other library headers.
* Fix checkpatch paths to continue excluding stdlib files.
* Create stdlib.mk to define the stdlib source files and include directories.
* Include stdlib.mk from the top level Makefile.
* Update stdlib header path in the fip_create Makefile.
* Update porting-guide.md with the new paths.
Change-Id: Ia92c2dc572e9efb54a783e306b5ceb2ce24d27fa
diff --git a/docs/porting-guide.md b/docs/porting-guide.md
index 8947def..8b72e75 100644
--- a/docs/porting-guide.md
+++ b/docs/porting-guide.md
@@ -2035,12 +2035,12 @@
implementation. If more functionality is required, the needed library functions
will need to be added to the local implementation.
-Versions of [FreeBSD] headers can be found in `include/stdlib`. Some of these
-headers have been cut down in order to simplify the implementation. In order to
-minimize changes to the header files, the [FreeBSD] layout has been maintained.
-The generic C library definitions can be found in `include/stdlib` with more
-system and machine specific declarations in `include/stdlib/sys` and
-`include/stdlib/machine`.
+Versions of [FreeBSD] headers can be found in `include/lib/stdlib`. Some of
+these headers have been cut down in order to simplify the implementation. In
+order to minimize changes to the header files, the [FreeBSD] layout has been
+maintained. The generic C library definitions can be found in
+`include/lib/stdlib` with more system and machine specific declarations in
+`include/lib/stdlib/sys` and `include/lib/stdlib/machine`.
The local C library implementations can be found in `lib/stdlib`. In order to
extend the C library these files may need to be modified. It is recommended to