doc: release notes: Update contents for 2.2.0

Update to API change in regards of USB changes.

Signed-off-by: Emil Obalski <emil.obalski@nordicsemi.no>
This commit is contained in:
Emil Obalski 2019-12-16 15:13:41 +01:00 committed by Carles Cufí
commit 7fc0486ca0

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@ -27,6 +27,15 @@ Deprecated in this release
Stable API changes in this release
==================================
* USB
* The usb_enable() function, which was previously invoked automatically
by the USB stack, now needs to be explicitly called by the application
in order to enable the USB subsystem.
* The usb_enable() function now takes a parameter, usb_dc_status_callback
which can be set by the application to a callback to receive status events
from the USB stack. The parameter can also be set to NULL if no callback is required.
Removed APIs in this release
============================