MAINTAINERS: Promote Krzysztof to PCI controller maintainer

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>

MAINTAINERS

@@ -16107,7 +16107,7 @@ F:	drivers/pci/controller/pci-v3-semi.c
 
 PCI ENDPOINT SUBSYSTEM
 M:	Lorenzo Pieralisi <lpieralisi@kernel.org>
-R:	Krzysztof Wilczyński <kw@linux.com>
+M:	Krzysztof Wilczyński <kw@linux.com>
 R:	Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
 R:	Kishon Vijay Abraham I <kishon@kernel.org>
 L:	linux-pci@vger.kernel.org
@@ -16172,8 +16172,8 @@ F:	drivers/pci/controller/pci-xgene-msi.c
 
 PCI NATIVE HOST BRIDGE AND ENDPOINT DRIVERS
 M:	Lorenzo Pieralisi <lpieralisi@kernel.org>
+M:	Krzysztof Wilczyński <kw@linux.com>
 R:	Rob Herring <robh@kernel.org>
-R:	Krzysztof Wilczyński <kw@linux.com>
 L:	linux-pci@vger.kernel.org
 S:	Supported
 Q:	https://patchwork.kernel.org/project/linux-pci/list/