vmm: fix rsdp_addr assertion for TDX

TDX builds its own ACPI tables in `create_acpi_tables_tdx` so it will
return None in the standard `create_acpi_tables` function and the
assertion for `rsdp_addr` will fail.

Signed-off-by: Zhibin Li <banlu.lzb@antgroup.com>

vmm/src/vm.rs

@@ -2516,7 +2516,7 @@ impl Vm {
 
         #[cfg(not(target_arch = "riscv64"))]
         {
-            #[cfg(not(feature = "sev_snp"))]
+            #[cfg(not(any(feature = "sev_snp", feature = "tdx")))]
             assert!(rsdp_addr.is_some());
             // Configure shared state based on loaded kernel
             if let Some(rsdp_adr) = rsdp_addr {