Upgrade bind from 9.10.2-P4 to 9.10.3-P2.
* update context of 0001-build-use-pkg-config-to-find-libxml2.patch
* add PACKAGECONFIGs readline and libedit. They provide same library, so
should not be set at same time.
(From OE-Core rev: b49751e7febd262b754043e4e523e6690bfbbfaa)
Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
