docs: add components_gen.adoc to po4a.cfg

Author: hansu

docs/po4a.cfg

@@ -111,6 +111,7 @@
 [type: AsciiDoc_def] src/hal/canonical-devices.adoc $lang:src/$lang/hal/canonical-devices.adoc
 [type: AsciiDoc_def] src/hal/comp.adoc $lang:src/$lang/hal/comp.adoc
 [type: AsciiDoc_def] src/hal/components.adoc $lang:src/$lang/hal/components.adoc
+[type: AsciiDoc_def] src/hal/components_gen.adoc $lang:src/$lang/hal/components_gen.adoc
 [type: AsciiDoc_def] src/hal/general-ref.adoc $lang:src/$lang/hal/general-ref.adoc
 [type: AsciiDoc_def] src/hal/hal-examples.adoc $lang:src/$lang/hal/hal-examples.adoc
 [type: AsciiDoc_def] src/hal/halmodule.adoc $lang:src/$lang/hal/halmodule.adoc