File _patchinfo of Package patchinfo.956

<patchinfo incident="956">
  <packager>neilbrown</packager>
  <issue tracker="bnc" id="779965">boot error: snapshot target support missing from kernel</issue>
  <category>recommended</category>
  <rating>low</rating>
  <summary>lvm2: fix build to use modprobe</summary>
  <description>lvm2 in 12.2 did not use modprobe, so automated module loading was not correctly working.

Also filter out "snapshot-origin" tables.</description>
</patchinfo>