[FIX] Fix doxygen issues for DLLK

Change-Id: Ie560dbe8e213e9554e0d081c8554e7b33fa60acc
Reviewed-on: http://brateggevoat1/gerrit/1238
Tested-by: Jenkins <jenkins@brateggevoat1.br-automation.co.at>
Reviewed-by: Joerg Zelenka <joerg.zelenka@br-automation.com>
Reviewed-by: Josef Baumgartner <josef.baumgartner@br-automation.com>
[TASK] Rename EplDll.h and update references

Change-Id: I5f3a6e24c6b45c124ec04b099e2a615c0fe8428b
Reviewed-on: http://brateggevoat1/gerrit/1239
Tested-by: Jenkins <jenkins@brateggevoat1.br-automation.co.at>
Reviewed-by: Joerg Zelenka <joerg.zelenka@br-automation.com>
Reviewed-by: Josef Baumgartner <josef.baumgartner@br-automation.com>