Support Time Zone suffix of DateTime types for SqlDataTypeSpec

<datetime type> ::=
    DATE
  | TIME [ <left paren> <time precision> <right paren> ] [ <with or without time zone> ]
  | TIMESTAMP [ <left paren> <timestamp precision> <right paren> ]
        [ <with or without time zone> ]

<with or without time zone> ::=
      WITH TIME ZONE
    | WITHOUT TIME ZONE

<time precision> ::=
   <time fractional seconds precision>

<timestamp precision> ::=
   <time fractional seconds precision>

<time fractional seconds precision> ::=
   <unsigned integer>

time(0) with local time zone
timestamp(0) with local time zone