feat(modules): add `xmlrpc` and `xmlreader` as FreeBSD `xml` module

php/map.jinja

                     'temp_dir': '/tmp',
                     'tokenizer': 'php' + freebsd_php_version + '-tokenizer',
                     'xdebug': 'php' + freebsd_php_version + '-pecl-xdebug',
-                    'xml': 'php' + freebsd_php_version + '-xml',
+                    'xml': ['php' + freebsd_php_version + '-xml','php' + freebsd_php_version + '-xmlreader','php' + freebsd_php_version + '-xmlrpc'],
                     'xmlwriter': 'php' + freebsd_php_version + '-xmlwriter',
                     'xsl': 'php' + freebsd_php_version + '-xsl',
                     'zip': 'php' + freebsd_php_version + '-zip',

test/integration/default/files/_mapdata/freebsd-12.yaml

       temp_dir: /tmp
       tokenizer: php74-tokenizer
       xdebug: php74-pecl-xdebug
-      xml: php74-xml
+      xml:
+      - php74-xml
+      - php74-xmlreader
+      - php74-xmlrpc
       xmlwriter: php74-xmlwriter
       xsl: php74-xsl
       zip: php74-zip

test/integration/default/files/_mapdata/freebsd-13.yaml

       temp_dir: /tmp
       tokenizer: php74-tokenizer
       xdebug: php74-pecl-xdebug
-      xml: php74-xml
+      xml:
+      - php74-xml
+      - php74-xmlreader
+      - php74-xmlrpc
       xmlwriter: php74-xmlwriter
       xsl: php74-xsl
       zip: php74-zip