GDSCs were modeled as regulators till now. However, moving forward, GDSCs will be treated as power domains. Consequently, replace references to ‘regulators’ with ‘power domains’ for the sun GPU. Change-Id: I607a511754d56728d5013004d0ae83544f873df6 Signed-off-by: Kamal Agrawal <quic_kamaagra@quicinc.com>