defconfig: msm: Enable MSM_GLADIATOR_ERP flag for msmtitanium

Enable GLADIATOR coherency interconnect error reporting driver
and panic to dump debug information when error detected.

Change-Id: I31cc7cdaecdba4d97fd0945a1bcc2995afd57a10
Signed-off-by: Prasad Sodagudi <psodagud@codeaurora.org>