fix:add USB changelogs

Signed-off-by: Nwangyipeng <wangyipeng11@huawei.com>

zh-cn/release-notes/changelogs/OpenHarmony_4.0.2.1/changelogs-usb.md

+USB管理 changeLog
+
+## cl.usb_manager.1  系统接口变更
+
+USB系统API运行时鉴权，异步接口以Promise reject形式抛出错误码。
+
+基于此前版本开发的应用，需修改函数的返回值，否则会影响原有业务逻辑。
+
+**关键接口/组件变更**
+
+| 包名            | 旧接口                                                       | 新接口                                                       |
+| --------------- | ------------------------------------------------------------ | ------------------------------------------------------------ |
+| ohos.usbV9.d.ts | function setCurrentFunctions(funcs: FunctionType): Promise<boolean>; | function setCurrentFunctions(funcs: FunctionType): Promise<void>; |
+| ohos.usbV9.d.ts | function setPortRoles(portId: number, powerRole: PowerRoleType, dataRole: DataRoleType): Promise<boolean>; | function setPortRoles(portId: number, powerRole: PowerRoleType, dataRole: DataRoleType): Promise<void>; |
+
+**适配指导**
+
+请参考各接口的[API参考](../../../application-dev/reference/errorcodes/errorcode-universal.md)
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