msm: adsprpc: Handle out-of-bounds read in debugfs

Removed fixing the Title size which may not terminate
the NULL character end of Title. And, this would fix the
possible out-of-bounds read when reading debug-fs.

Change-Id: Ib3ff2b0106a25232c7a766baaaaca5bd9d306533
Acked-by: Krishnaiah Tadakamalla <ktadakam@qti.qualcomm.com>
Signed-off-by: Jeya R <jeyr@codeaurora.org>