MAINTAINERS: add hw/pci/ to list of PCI files

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 2ede20d..c1b16c5 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -490,6 +490,7 @@
 PCI
 M: Michael S. Tsirkin <mst@redhat.com>
 S: Supported
+F: hw/pci/*
 F: hw/pci*
 F: hw/piix*