split wrsPtp from wrSwitchMIB 3 (1.3.6.1.4.1.96.100.3) into:
--wrsPtpGlobals (wrSwitchMIB 6 (1.3.6.1.4.1.96.100.6)), old wrsPtpGlobals
--wrsPortsTable (wrSwitchMIB 7 (1.3.6.1.4.1.96.100.7)), old wrsPtp.ptpPort

rename wrsPstats into wrsPstatsTable

Signed-off-by: Adam Wujek <adam.wujek@cern.ch>