usb: dwc3: define DWC3_EP0_BOUNCE_SIZE

to avoid sprinkling magic constants on the driver
we define a constant to be used when allocating
setup_buffer and ep0_bounce buffer.

Change-Id: Ic6a2c5becad241e2322067ca0fec195d79a7afa2
Signed-off-by: Felipe Balbi <balbi@ti.com>
[pkondeti@codeaurora.org: resolved merge conflicts]
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
2 files changed