Increase number of PCI devices to 16

16 devices should be enough for everyone :)

Bug: 340506965
Test: presubmit
Change-Id: If3bb04fb89f8bcf3ba4e9dded51854fc5925be03
diff --git a/pvmfw/src/fdt.rs b/pvmfw/src/fdt.rs
index 9206588..84dc14d 100644
--- a/pvmfw/src/fdt.rs
+++ b/pvmfw/src/fdt.rs
@@ -515,7 +515,7 @@
 impl PciInfo {
     const IRQ_MASK_CELLS: usize = 4;
     const IRQ_MAP_CELLS: usize = 10;
-    const MAX_IRQS: usize = 10;
+    const MAX_IRQS: usize = 16;
 }
 
 type PciAddrRange = AddressRange<(u32, u64), u64, u64>;