ARM: dts: msm: Add llcc perfmon device for sm8150

Adding llcc perfmon configuration. Perfmon driver can monitor llcc
hardware events, which can be used for profiling.

Change-Id: If90f5ebfb0e6588c4f7fb99456ae1381c67877f0
Signed-off-by: Avinash Philip <avinashp@codeaurora.org>
Signed-off-by: Raghavendra Rao Ananta <rananta@codeaurora.org>