commit f7c4e0c89bbd0f008b33d9dce02e207d9dea9f54 upstream.

To support both MSR and MMIO Interface, use 'reg' to discribe RAPL
registers instead of 'msr'.
Reviewed-by: NPandruvada, Srinivas <srinivas.pandruvada@intel.com>
Tested-by: NPandruvada, Srinivas <srinivas.pandruvada@intel.com>
Signed-off-by: NZhang Rui <rui.zhang@intel.com>
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: NYouquan Song <youquan.song@intel.com>
Signed-off-by: NJeffle Xu <jefflexu@linux.alibaba.com>
Acked-by: NJoseph Qi <joseph.qi@linux.alibaba.com>
Acked-by: NCaspar Zhang <caspar@linux.alibaba.com>