Add the sha512, sm3 and sm4 target features

Add the feature in `core/lib.rs`

compiler/rustc_span/src/symbol.rs

@@ -1705,6 +1705,7 @@ symbols! {
         self_in_typedefs,
         self_struct_ctor,
         semitransparent,
+        sha512_sm_x86,
         shadow_call_stack,
         shl,
         shl_assign,