usb: Support maximum endpoints per interface specified by USB spec #676
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Thanks!, one day I will hopefully update to a stack that doesnt to do so much pre-allocation |
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The USB spec specifies a maximum of 15 endpoints per interface (excluding the control endpoint), this change makes us support that.
Fixes #675
libusbohci preallocates a lot of stuff, so this increases memory usage per device by about 1KiB.