phy: phy-stih407-usb: Inform the reset framework that our reset line may be shared

On the STiH410 B2120 development board the ports on the Generic PHY
share their reset lines with each other.  New functionality in the
reset subsystems forces consumers to be explicit when requesting
shared/exclusive reset lines.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
1 file changed