Merge pull request #276 in SW_PON/linux from bugfix/DRVLIB_SW-395-gswip3.0 to xrx500

* commit 'b5fd84e062dfb008ef4eadbb3d638e3f2edf57fc':
  DRVLIB_SW-395-gswip3.0: Bug Fix for GSWIP 3.0 in GSW_MAC_TableClear and GSW_VLAN_PortMemberAdd
  DRVLIB_SW-395-gswip3.0: Fixed Alignment issue, and corrected few Api errors for GSWIP 3.0
  DRVLIB_SW-395: Missing Goto in GSWIP3.0
  DRVLIB_SW-395-gswip3.0: Multicast Table Entry Add Fix
  DRVLIB_SW-395-gswip3.0: BugFix for Mac table Entry Add for GSWIP 3.0