Patch for making PM3 compatible to MCU's CDC-Host libraries

diff --git a/common/usb_cdc.c b/common/usb_cdc.c
index 7fd2933..ffee677 100644
--- a/common/usb_cdc.c
+++ b/common/usb_cdc.c
@@ -56,7 +56,7 @@ const char devDescriptor[] = {
        0x01,0x00, // Device release number (0001)
        0x01,      // iManufacturer    // 0x01
        0x00,      // iProduct
-       0x00,      // SerialNumber
+       0xFD,      // SerialNumber^M
        0x01       // bNumConfigs
 };

@@ -71,7 +71,7 @@ const char cfgDescriptor[] = {
        0x01,   // CbConfigurationValue
        0x00,   // CiConfiguration
        0xC0,   // CbmAttributes 0xA0
-       0x00,   // CMaxPower
+       0xFA,   // CMaxPower^M

        /* Communication Class Interface Descriptor Requirement */
        0x09, // bLength
@@ -81,7 +81,7 @@ const char cfgDescriptor[] = {
        0x01, // bNumEndpoints
        0x02, // bInterfaceClass
        0x02, // bInterfaceSubclass
-       0x00, // bInterfaceProtocol
+       0x01, // bInterfaceProtocol^M
        0x00, // iInterface

        /* Header Functional Descriptor */
@@ -95,7 +95,7 @@ const char cfgDescriptor[] = {
        0x04, // bFunctionLength
        0x24, // bDescriptor Type: CS_INTERFACE
        0x02, // bDescriptor Subtype: ACM Func Desc
-       0x00, // bmCapabilities
+       0x02, // bmCapabilities^M