Revert "Revert "xmm626x: Update libril to v9 [1/2]""

After: https://gerrit.omnirom.org/#/c/8078/

The original problem with these patches should no longer be present.

This reverts commit 4c13bca13942cc55ffbd1a2a9a61d481407d83fb.

Change-Id: Ie33796162447e1fe23518ba3e622b322c59d3d2f