rhi → corelib Relation

File in qtbase/src/gui/rhi	Includes file in qtbase/src/corelib
qrhi.cpp	kernel / qmath.h
qrhid3d11.cpp	kernel / qmath.h
qrhid3d12.cpp	kernel / qmath.h
qrhigles2.cpp	kernel / qmath.h
qrhimetal.mm	kernel / qmath.h
qrhinull.cpp	kernel / qmath.h
qrhivulkan.cpp	kernel / qmath.h