usb: musb: jz4740: Constify jz4740_musb_pdata struct

By moving around the jz4740_musb_pdata structure, we can have the
.platform_ops field initialized, so that we don't have to initialize it
manually in the probe function. Therefore, the struct can be const now.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Bin Liu <b-liu@ti.com>
Link: https://lore.kernel.org/r/20200115132547.364-14-b-liu@ti.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>