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

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

strcpy() has been deprecated because it is generally unsafe, so it
is better 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/20240915183822.34588-5-qasim.majeed20@gmail.com


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