Adding ti81xx_musb_phy_power() which will be used by musb driver through
its function pointer in board_data.
Signed-off-by: NAjay Kumar Gupta <ajay.gupta@ti.com>
Signed-off-by: NRavi Babu <ravibabu@ti.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>