Perf: Add DT support for L1 and L2 PMU

Add device tree bindings for L1 and L2 performance
monitoring units.

CRs-Fixed: 430010
Change-Id: Ia10e21a445e9daa6b2e4a3f1dba4881e3e7b2ccb
Signed-off-by: Ashwin Chaugule <ashwinc@codeaurora.org>
11 files changed