Hints for gx52 in main

Hints

• asv-developer-name-tag-deprecated
  com.leinardi.gx52.appdata.xml:8 -
  The toplevel `developer_name` element is deprecated. Please use the `name` element in a `developer` block instead.
• asv-summary-has-dot-suffix
  com.leinardi.gx52.appdata.xml:9 - Provides control of LEDs and MFD for Logitech X52 and X52 Pro H.O.T.A.S.
  The component summary should not end with a dot (`.`).
• asv-developer-info-missing
  com.leinardi.gx52.appdata.xml -
  This component contains no `developer` element with information about its author.