tinycbor: Update import to v0.4

tinycbor: Update import to v0.4

git "module" was converted to patch this way:

  git clone https://github.com/01org/tinycbor.git -b v0.4 extlibs/tinycbor/tinycbor
  rm -rf extlibs/tinycbor/tinycbor/.git
  git add -f  extlibs/tinycbor/tinycbor/
  git commit -sm 'tinycbor: Update import to v0.4' extlibs/tinycbor/tinycbor/

Change-Id: I5492732be93e2b0fdf5e1c3eabcdc949b420e4fb
Signed-off-by: Philippe Coval <philippe.coval@osg.samsung.com>