Turn bzip2 support into a PACKAGECONFIG
zlibs is a must have and therefore add it to DEPENDS will make the build
consistent
(From OE-Core rev: ded03dab901647a7388d219a3a228d4f4f4298e8)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>