Increase number of PCI devices to 10

Bug: 290694451
Test: presubmit
Test: run VM with additional virtio devices
Change-Id: I06572adb25f59889958402277af1dbbd2c131cb6
diff --git a/pvmfw/src/fdt.rs b/pvmfw/src/fdt.rs
index 4e41331..7ca7eda 100644
--- a/pvmfw/src/fdt.rs
+++ b/pvmfw/src/fdt.rs
@@ -209,7 +209,7 @@
 impl PciInfo {
     const IRQ_MASK_CELLS: usize = 4;
     const IRQ_MAP_CELLS: usize = 10;
-    const MAX_IRQS: usize = 8;
+    const MAX_IRQS: usize = 10;
 }
 
 type PciAddrRange = AddressRange<(u32, u64), u64, u64>;