makedevs: Include whole makedevs.c instead of 2 patch files

:Release Notes:
Fix do_patch task with newer patch tool installed on host.

:Detailed Notes:
Newer patch-2.7.* doesn't allow paths containing ".."
http://git.savannah.gnu.org/cgit/patch.git/commit/?id=f663762bf0aa5089fee41d62a4e7528f436164d4

This whole bbappend should be removed when we upgrade to
oe-core 1.6 Daisy.

:Testing Performed:
Only build tested and verified that the source file is the same.

:QA Notes:
No change to image.

:Issues Addressed:
[ES-620] Fix current metadata to build correctly on 14.04 Ubuntu

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <martin.jansa@lge.com>
Change-Id: I8a2a8e9ccd420f7cb1973a3d61afa5260d9d7e1c
Reviewed-on: https://g2g.palm.com/5001
Reviewed-by: DCO Verification
Reviewed-by: Martin Jansa <Martin.Jansa@lge.com>
Tested-by: Martin Jansa <Martin.Jansa@lge.com>
Reviewed-by: Steve Lemke <steve.lemke@lge.com>
Reviewed-by: Susan Montooth <susan.montooth@lge.com>
Reviewed-by: Eric Blade <eric.blade@lge.com>
Tested-by: Eric Blade <eric.blade@lge.com>