vmm: tdx: Fix the logic for generating HOB memory resources

The list of memory resources provided through the HOB wasn't accurate
because of the broken logic. The fix provides correct ranges to the
firmware.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>

vmm/src/vm.rs

@@ -1865,6 +1865,10 @@ impl Vm {
 
                 next_start_addr = start + size;
 
+                if region_start > next_start_addr {
+                    next_start_addr = region_start;
+                }
+
                 if next_start_addr > region_end {
                     break;
                 }