Node names should be generic. Change fsa4480@ to typec-mux@.

Fixes: 01afa882 ("dt-bindings: usb: Add binding for fcs,fsa4480")
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230130113151.2130063-1-konrad.dybcio@linaro.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>