Add vendor attributes related to MLO and EMLSR mode
capability configuration for EHT testbed STA. It includes
EHT OM control support and EMLSR padding delay configuration.
Also, generalise the naming of HE OMI control enumeration to
OMI control as it now consists of both HE and EHT OMI control
fields.
Change-Id: I31f4935d59356f67a8ca0f065001325bafb3474a
CRs-Fixed: 3497673