Fix physical address truncation on 32-bit systems with addressing extensions (#2139)

* use hwaddr for paddrs

* Fix the truncation for memory hooks as well

* Add LPAE regression test


Co-authored-by: Takacs, Philipp <philipp.takacs@iosb.fraunhofer.de>

qemu/include/exec/cpu-defs.h

@@ -112,7 +112,7 @@ typedef struct CPUTLBEntry {
             target_ulong addr_read;
             target_ulong addr_write;
             target_ulong addr_code;
-            target_ulong paddr;
+            hwaddr paddr;
             /* Addend to virtual address to get host address.  IO accesses
                use the corresponding iotlb value.  */
             uintptr_t addend;