base: sync: increase size of sync_timeline name

This makes it possible for drivers to use a longer, more descriptive
name for a sync_timeline, which improves the readability of the
sync dump in debugfs.

Change-Id: Ifb83aebf6fd820ebb26aca2ff230ac1116e65ce9
Git-commit: cb63e61b80ec905f01cbe1c21081aa0d1fef082d
Git-repo: https://www.codeaurora.org/gitweb/quic/la/?p=kernel/msm.git
Signed-off-by: Fred Fettinger <fred.fettinger@motorola.com>
Signed-off-by: Harsh Vardhan Dwivedi <hdwivedi@codeaurora.org>