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

Add HW event support for monitoring and tracing of BCSS
hardware events using the STM Hardware Event interface .

Change-Id: I47a5b3e684f307852df4c703a61c7ee5ee235b27
Signed-off-by: Srinivas Ramana <sramana@codeaurora.org>
Signed-off-by: Vignesh Radhakrishnan <vigneshr@codeaurora.org>