defconfig: 8092: enable coresight hardware event driver

The STM hardware event interface allows monitoring and tracing
of hardware events. The CoreSight Hardware Event driver programs
various hardware event mux control registers to configure these
hardware events based on user selection. Enable this functionality
for 8092.

Change-Id: If2ed9a9de20eaa1375223a604388b2d668b7c0c1
Signed-off-by: Srinivas Ramana <sramana@codeaurora.org>
Signed-off-by: Vignesh Radhakrishnan <vigneshr@codeaurora.org>