doc: usb_adapters: add lsusb dump of few adapters

Real dumps from adapters I have access to.
Serial numbers have been manually edited but are still consistent.

Change-Id: Iee2d16e09615746e29588f91fdfb77eb9fad4daa
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/7297
Tested-by: jenkins

doc/usb_adapters/cmsis_dap/c251_2722_keil_ulink2.txt

@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: GPL-2.0-or-later OR GFDL-1.2-no-invariants-or-later
+
+# Standalone adapter
+
+Bus 001 Device 010: ID c251:2722 Keil Software, Inc. Keil ULINK2 CMSIS-DAP
+Device Descriptor:
+  bLength                18
+  bDescriptorType         1
+  bcdUSB               2.00
+  bDeviceClass            0
+  bDeviceSubClass         0
+  bDeviceProtocol         0
+  bMaxPacketSize0        64
+  idVendor           0xc251 Keil Software, Inc.
+  idProduct          0x2722
+  bcdDevice            1.00
+  iManufacturer           1 Keil Software
+  iProduct                2 Keil ULINK2 CMSIS-DAP
+  iSerial                 3 V0022U9E
+  bNumConfigurations      1
+  Configuration Descriptor:
+    bLength                 9
+    bDescriptorType         2
+    wTotalLength       0x0029
+    bNumInterfaces          1
+    bConfigurationValue     1
+    iConfiguration          0
+    bmAttributes         0x80
+      (Bus Powered)
+    MaxPower              100mA
+    Interface Descriptor:
+      bLength                 9
+      bDescriptorType         4
+      bInterfaceNumber        0
+      bAlternateSetting       0
+      bNumEndpoints           2
+      bInterfaceClass         3 Human Interface Device
+      bInterfaceSubClass      0
+      bInterfaceProtocol      0
+      iInterface              4 CMSIS-DAP
+        HID Device Descriptor:
+          bLength                 9
+          bDescriptorType        33
+          bcdHID               1.00
+          bCountryCode            0 Not supported
+          bNumDescriptors         1
+          bDescriptorType        34 Report
+          wDescriptorLength      33
+         Report Descriptors:
+           ** UNAVAILABLE **
+      Endpoint Descriptor:
+        bLength                 7
+        bDescriptorType         5
+        bEndpointAddress     0x81  EP 1 IN
+        bmAttributes            3
+          Transfer Type            Interrupt
+          Synch Type               None
+          Usage Type               Data
+        wMaxPacketSize     0x0040  1x 64 bytes
+        bInterval               1
+      Endpoint Descriptor:
+        bLength                 7
+        bDescriptorType         5
+        bEndpointAddress     0x01  EP 1 OUT
+        bmAttributes            3
+          Transfer Type            Interrupt
+          Synch Type               None
+          Usage Type               Data
+        wMaxPacketSize     0x0040  1x 64 bytes
+        bInterval               1
+Device Status:     0x0000
+  (Bus Powered)