To make compositive usb device string more reansonable, not all devices
just show same "RTT Composite Device" on windows device manager.

add a interface rt_usbd_device_set_interface_string to set respective
interface string.
Signed-off-by: NDillon Min <dillon.minfei@gmail.com>
v1 -> v2: remove all tabs to space, to match rt-thread coding style

1. delete '#include <rtservice.h>', because rtthread.h had include rtservice.h;
2. delete '#include <rtthread.h>', because rtdevice.h had include rtthread.h.

Fix miss-break in HWTIMER_CTRL_INFO_GET case.

mstorage.c: fix the issue that _read_capacity() returns the wrong last valid address of storage medium

Signed-off-by: NCliff Chen <cliff.chen@rock-chips.com>

rt_kprintf("alloc memery failed\n"); -> rt_kprintf("alloc memory failed\n");

windows下第一次录放音失败的原因是：第一录放音时 windows 会先连续发送开始、结束检测设备，然后才正式开始。线程来不及处理两次开始事件不会累积，最后导致直接结束，

修复多备用设备的接口不能正常枚举的问题。

在第375行中,“uint8_t *data,”应改为“rt_uint8_t *data,”。

In line 375, "uint8_t *data," should be changed to "rt_uint8_t *data,".
Signed-off-by: NZhou Yanjie <zhouyanjie@zoho.com>