Joshua Immanuel reported, and provided a patch to fix, that our custom
autotooling for zlib does not install the pc file.
Fixes [YOCTO #1983]
Patch-from: Joshua Immanuel <josh@hipro.co.in>
(From OE-Core rev: 37fbe2e1a706af634f400213b9fb4c6f0670c15e)
Signed-off-by: Joshua Lock <josh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>