ARM: dts: msm: Enable TZ-log driver for sdm845

Enable TZ-log device node on include file to enable
the TZ-log driver on sdm845 to access TZ diag area.

Change-Id: Iec2b684b8b8f201fac8d988b702b757435c66aa0
Signed-off-by: AnilKumar Chimata <anilc@codeaurora.org>