As per current design, dp_mlo_ctxt is allocated during the
initialization of module while the MLO grouping information is
understood after WMI_READY_EVENT. The same is deinitialized while
unregistering the module.
To ensure dp_mlo_ctxt exists per MLO group, bring the dp_handle
a layer below in the hierarchy into the mlo_setup_info and allocate
dp_mlo_ctxt after the WMI_READY_EVENT is received from all the SOCs
for a given group. Deallocate it after the WMI_MLO_TEARDOWN_COMPLETE
event is received.
CRs-Fixed: 3355405
Change-Id: Ic3102a34a8d44877827e2ff1f7da2e414b2b463f
49ca504dbd