psiuMulticomponentThermo → basic Relation

File in src/thermophysicalModels/multicomponentThermo/psiuMulticomponentThermo	Includes file in src/thermophysicalModels/basic
PsiuMulticomponentThermo.H	basicThermo / BasicThermo.H
psiuMulticomponentThermo.H	psiThermo / psiThermo.H