Merge "usb: composite: Increase ep0 buffer size to 4KB" into msm-4.9

#define USB_GADGET_DELAYED_STATUS       0x7fff	/* Impossibly large value */

/* big enough to hold our biggest descriptor */

#define USB_COMP_EP0_BUFSIZ	1024

#define USB_COMP_EP0_BUFSIZ	4096

#define USB_MS_TO_HS_INTERVAL(x)	(ilog2((x * 1000 / 125)) + 1)

struct usb_configuration;