usb: gadget: s3c2410_udc: Silence checkpatch errors and warnings

Silences about 75 errors and warnings related to
- Spacing
- Alignment of braces
- Line over 80 characters

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>