In case HS device is connected SS phy needs to be powered up before bus goes to U3 state. Similarly SS phy needs to be powered down after bus goes to U0 state. Otherwise remote wake up is resulting into link does not transition to U0 and stay into RESUME state. Change-Id: Ieb328618ffb9cb74a4f4c129e4609e9ec200e55b Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>