arm64: perf: add support for Cortex-A72

Cortex-A72 has a PMUv3 implementation that is compatible with the PMU
implemented by Cortex-A57.

This patch hooks up the new compatible string so that the Cortex-A57
event mappings are used.

Signed-off-by: Will Deacon <will.deacon@arm.com>
2 files changed