[FIX] Fix doxygen documentation faults

Fix doxygen documentation of function headers in:
- openMAC edrv and hrtimer
- dllkcal

Change-Id: I89a96ea7d3ecd854ec7243192824cf18629f2393
Reviewed-on: http://brateggevoat1/gerrit/1704
Tested-by: Jenkins <jenkins@brateggevoat1.br-automation.co.at>
Reviewed-by: Josef Baumgartner <josef.baumgartner@br-automation.com>
[TASK] Refactor Ethernet driver - edrv-8255x.c

Change-Id: Iacc0d81f1895504007e102b7b7cf5afdf9eaaf57
Reviewed-on: http://brateggevoat1/gerrit/1683
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] Refactor Ethernet driver - edrv-82573.c

Change-Id: Id8bd0ee3538e7a7c3d8de289a00ebe7951027850
Reviewed-on: http://brateggevoat1/gerrit/1684
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] Refactor Ethernet driver - edrv-pcap_linux.c

Change-Id: I3baf4e2b6c3a39db424e6768d1506702c5cb3a17
Reviewed-on: http://brateggevoat1/gerrit/1686
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] Refactor Ethernet driver - edrv-mux_vxworks.c

Change-Id: Idcabeb951c8ab08934ea2168bc40ffec116c8e28
Reviewed-on: http://brateggevoat1/gerrit/1685
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] Refactor Ethernet driver cyclic

Change-Id: I28d4c6104e46246e9e26fa41c29525bbe160afdb
Reviewed-on: http://brateggevoat1/gerrit/1679
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>