Map PCI (BAR) MMIO range too.

Bug: 237249346
Test: Ran pVM firmware manually.
Change-Id: Id1be96e080a3ee90b3cf842fdfed1dc8043aa2df
diff --git a/pvmfw/src/memory.rs b/pvmfw/src/memory.rs
index ca1024d..892089e 100644
--- a/pvmfw/src/memory.rs
+++ b/pvmfw/src/memory.rs
@@ -26,7 +26,7 @@
 use log::error;
 use tinyvec::ArrayVec;
 
-type MemoryRange = Range<usize>;
+pub type MemoryRange = Range<usize>;
 
 #[derive(Clone, Copy, Debug, Default)]
 enum MemoryType {