Bitfields for OpenHCI "HcRhPortStatusN" register:
Bit(s)	Description	)
 31-21	reserved
 20	"PRSC"	Port Reset Status Change (write '1' to clear)
 19	"OCIC"	Port OverCurrent Indiactor Change (write '1' to clear)
 18	"PSSC"	Port Suspend Status Change (write '1' to clear)
 17	"PESC"	Port Enable Status Change (write '1' to clear)
 16	"CSC"	Connect Status Change (write '1' to clear)
 15-10	reserved
 9    R	"LSDA"	Low Speed Device Attached
      W		clear port power by writing '1'
 8    R	"PPS"	Port Power Status
      W		set port power by writing '1'
 7-5	reserved
 4    R	"PRS"	Port Reset Status
      W		set port reset by writing '1'
 3    R	"POCI"	Port OverCurrent Indicator
      W		clear suspend status by writing '1'
 2    R	"PSS"	Port Suspend Status
      W		set port suspend by writing '1'
 1    R "PES"	Port Enable Status
      W		set port enable by writing '1'
 0    R "CCS"	current connect status
      W		clear port enable by writing '1'
SeeAlso: #00902,#00915,#00916,#00917