Adding of KinCony KC868 E16P Device

[bugeaud]

Brief description of the changes

Adding KinCony E16P device. The E16P is a variant from the E16S characteristics with PoE support and without a buzzer. This basic configuration provides of the whole board and a basic 1 to 1 button to relay mapping to mimic the default switches configuration from the button.

Type of changes

• New device
• Update existing device
• Removing a device
• General cleanup
• Other

Checklist:

• There are no passwords or secrets references in any examples.
  The only exceptions are !secret wifi_ssid and !secret wifi_password.
• The wifi or ethernet block has no static / manual ip address specified.
• The first configuration provided should be hardware definitions only.
  A more involved example can be provided in a separate configuration block.

This first configuration provide a basic 1-1 link between buttons and relay for test purpose.

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