committer Felipe Balbi <balbi@ti.com> 1351688578 +0200

usb: gadget storage: use a computation macro for INT endpoint interval

The 9 for HS means 32ms. Use the macro to make it easier to read.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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