platform/x86:intel/pmc: Rename PMC index variable to pmc_idx

Rename all PMC index variables to pmc_idx in core.c. This improves
code readability and consistency.

Signed-off-by: Xi Pardee <xi.pardee@linux.intel.com>
Link: https://patch.msgid.link/20251014214548.629023-5-xi.pardee@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Xi Pardee 2025-10-14 14:45:32 -07:00 • committed by Ilpo Järvinen
commit 7848154c3a
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