[io] Bump PBC_COMPAT for the new PMCs we've added to this branch.
[io] Bump PBC_COMPAT for the new PMCs we've added to this branch.

git-svn-id: ab052325e6ff0215049859dfe087640a330fcaf7@39279 d31e2699-5ff4-0310-a27c-f18f2fbe73fe

ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot,ashgti/parrot