Fix a bug in register access.  This should fix warning messages of:   ACPI-0340: *** Error: Could not release ACPI Global Lock, AE_BAD_PARAMETER
Fix a bug in register access.  This should fix warning messages of:
  ACPI-0340: *** Error: Could not release ACPI Global Lock, AE_BAD_PARAMETER

Submitted by:	jhb

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase