usb: hcd: use *resource_size_t* for specifying resource data

Changed the type of rsrc_start and rsrc_len from u64 to resource_size_t
so that it behaves well with resource API's like *resource_size()* on both
32bit and 64bit devices.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>