MAINTAINERS: Add PCI native host/endpoint controllers designated reviewer

Add Andrew Murray as designated reviewer for PCI native host
and endpoint controller drivers.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Andrew Murray <andrew.murray@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>

MAINTAINERS

@@ -12442,6 +12442,7 @@ F:	arch/x86/kernel/early-quirks.c
 
 PCI NATIVE HOST BRIDGE AND ENDPOINT DRIVERS
 M:	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
+R:	Andrew Murray <andrew.murray@arm.com>
 L:	linux-pci@vger.kernel.org
 Q:	http://patchwork.ozlabs.org/project/linux-pci/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/pci.git/