USBHOST: fix library.properties

Author: facchinm

libraries/USBHOST/library.properties

@@ -2,8 +2,8 @@ name=USBHOST
 version=1.0
 author=Arduino
 maintainer=Arduino <info@arduino.cc>
-sentence=Enables the communication between H747 cores via shared memory and openAMP library.
-paragraph=
+sentence=USB Host support for Portenta H7 boards
+paragraph=If using the Full Speed, non-USBC port, refer to https://github.com/facchinm/USBHostMbed5
 category=Communication
-url=
+url=https://github.com/arduino/ArduinoCore-mbed/tree/master/libraries/USBHOST
 architectures=mbed,mbed_portenta