suppress warning G0020 regarding system functions

Change-Id: Ie34c255d1a35de25b201db5524b574969b7a3c4e
define the padding field to eliminate compiler warning

Change-Id: I47598abefe6203b3ad8311665261fc7c9c4d1545
define reset() method for bluesim

Change-Id: I5e9091d91349cd1734dc0032a2c661128af56a8f