ARM: at91: Add PMU support for sama5d3
ARM: at91: Add PMU support for sama5d3

ARM Performance Monitor Units are available on the sama5d3, add the support in
the dtsi.

Tested with perf and oprofile on the sama5d31ek.

Signed-off-by: Alexandre Belloni <a7228e626ecf0022ac91fc1cd8db88e71d0e5e0e@free-electrons.com>
Signed-off-by: Nicolas Ferre <45b517be0e5ec6dc3a39715767c1d18e090d39b4@atmel.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs