When using PR service the buildhistory-diff output contains a lot of
PKGR changes: In practice the mass of PKGR updates hide other important
changes as they often account for 80% of all changes.
Skipped incremental and decremental changes of PKGR versions to reduce
amount of the script output. All changes are still included in the
output if script is run with -a/--report-all command line option.
[YOCTO #9755]
Signed-off-by: Ed Bartosh <ed.bartosh@linux.intel.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
