staging: unisys: refactor ULTRA_CONTROLVM_PARAMETERS_HEADER

Remove the typedef from ULTRA_CONTROLVM_PARAMETERS_HEADER, and use struct
spar_controlvm_parameters_header instead. Fix CamelCase names in the structure,
and update references to fixed names in other files and the comments.

TotalLength => total_length
HeaderLength => header_length
ConnectionOffset => connection_offset
ConnectionLength => connection_length
InitiatorOffset => initiator_offset
InitiatorLength => initiator_length
TargetOffset => target_offset
TargetLength => target_length
ClientOffset => client_offset
ClientLength => client_length
NameOffset => name_offset
NameLength => name_length
Id => id
Revision => revision
Reserved => reserved

Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>