usb: dwc3: core: switch event buffer allocation to devm_kzalloc()

The rest of the driver is using devm_kzalloc() where possible
and this patch is just making event buffer allocation follow
the example.

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2012-10-11 13:48:36 +03:00
commit 380f0d2843