Various USB related patches
- Add support for mpc8xx USB device.
- Add support for Common Device Class - Abstract Control Model USB console.
- Add support for flow control in USB slave devices.
- Add support for switching between gserial and cdc_acm using environment.
- Minor changes to usbdcore_omap1510.c usbdcore_omap1510.h
- Update usbcore slightly to ease host enumeration.
- Fix non-portable endian problems in usbdcore and usbdcore_ep0.
- Add AdderUSB_config as a defconfig to enable usage of the USB console
  by default with the Adder87x U-Boot port.
Patches by Bryan O'Donoghue <bodonoghue@codehermit.ie>, 29 May 2006
diff --git a/include/usb_cdc_acm.h b/include/usb_cdc_acm.h
new file mode 100644
index 0000000..8cb1654
--- /dev/null
+++ b/include/usb_cdc_acm.h
@@ -0,0 +1,43 @@
+/*
+ * (C) Copyright 2006
+ * Bryan O'Donoghue, deckard@codehermit.ie, CodeHermit
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+/* ACM Control Requests */
+#define ACM_SEND_ENCAPSULATED_COMMAND	0x00
+#define ACM_GET_ENCAPSULATED_RESPONSE	0x01
+#define ACM_SET_COMM_FEATURE		0x02
+#define ACM_GET_COMM_FEATRUE		0x03
+#define ACM_CLEAR_COMM_FEATURE		0x04
+#define ACM_SET_LINE_ENCODING		0x20
+#define ACM_GET_LINE_ENCODING		0x21
+#define ACM_SET_CONTROL_LINE_STATE	0x22
+#define ACM_SEND_BREAK			0x23
+
+/* ACM Notification Codes */
+#define ACM_NETWORK_CONNECTION		0x00
+#define ACM_RESPONSE_AVAILABLE		0x01
+#define ACM_SERIAL_STATE		0x20
+
+/* Format of response expected by a ACM_GET_LINE_ENCODING request */ 
+struct rs232_emu{
+		unsigned long dter;
+		unsigned char stop_bits;
+		unsigned char parity;
+		unsigned char data_bits;
+}__attribute__((packed));