defconfig: msm: Disable DEVPORT on Trinket

Disable DEVPORT on Trinket both on perf/non-perf as selinux
policy requires this node not to be accessible from userspace.

Change-Id: I88524f98c754567f79c5085848d48d962db532f2
Signed-off-by: Mukesh Ojha <mojha@codeaurora.org>