externalCoupled → externalCoupledMixed Relation

File in src/functionObjects/field/externalCoupled	Includes file in src/functionObjects/field/externalCoupled/externalCoupledMixed
externalCoupledTemplates.C	externalCoupledMixedFvPatchFields.H
externalCoupledTemperatureMixed / externalCoupledTemperatureMixedFvPatchScalarField.H	externalCoupledMixedFvPatchFields.H