ARM: dts: msm: add hardware event support for 8092

Add device tree node for CoreSight Hardware Event driver to
enable monitoring and tracing of hardware events using the
STM Hardware Event interface.

Change-Id: Ia746b63f3c75b090a469eada998e8a877004a8c7
Signed-off-by: Srinivas Ramana <sramana@codeaurora.org>
Signed-off-by: Vignesh Radhakrishnan <vigneshr@codeaurora.org>