usb: cdns3: change dev_info to dev_dbg for debug message

During device mode initialization, lots of device information
are printed to console, see below. Change them as debug message.

cdns-usb3 5b130000.cdns3: Initialized  ep0 support:
cdns-usb3 5b130000.cdns3: Initialized  ep1out support: BULK, INT ISO
cdns-usb3 5b130000.cdns3: Initialized  ep2out support: BULK, INT ISO
cdns-usb3 5b130000.cdns3: Initialized  ep3out support: BULK, INT ISO
cdns-usb3 5b130000.cdns3: Initialized  ep4out support: BULK, INT ISO
cdns-usb3 5b130000.cdns3: Initialized  ep5out support: BULK, INT ISO
cdns-usb3 5b130000.cdns3: Initialized  ep6out support: BULK, INT ISO
cdns-usb3 5b130000.cdns3: Initialized  ep7out support: BULK, INT ISO
cdns-usb3 5b130000.cdns3: Initialized  ep1in support: BULK, INT ISO
cdns-usb3 5b130000.cdns3: Initialized  ep2in support: BULK, INT ISO
cdns-usb3 5b130000.cdns3: Initialized  ep3in support: BULK, INT ISO
cdns-usb3 5b130000.cdns3: Initialized  ep4in support: BULK, INT ISO
cdns-usb3 5b130000.cdns3: Initialized  ep5in support: BULK, INT ISO
cdns-usb3 5b130000.cdns3: Initialized  ep6in support: BULK, INT ISO
cdns-usb3 5b130000.cdns3: Initialized  ep7in support: BULK, INT ISO

Reviewed-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>