Krzysztof has contributed significantly to the PCI controller subsystem
recently through reviews, tooling and submissions.

Update the MAINTAINERS file to grant him the role he deserves.

Link: https://lore.kernel.org/r/20230130100850.24994-1-lpieralisi@kernel.orgSigned-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Krzysztof Wilczyński <kw@linux.com>