ACPI: acpi_processor: Use strscpy instead() of strcpy()

Replace strcpy() with strscpy() in the ACPI processor driver.

strcpy() has been deprecated because it is generally unsafe, so help to
eliminate it from the kernel source.

Link: https://github.com/KSPP/linux/issues/88


Signed-off-by: Muhammad Qasim Abdul Majeed <qasim.majeed20@gmail.com>
Link: https://patch.msgid.link/20240804123313.16211-3-qasim.majeed20@gmail.com


[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>