add probe method

Author: rjauquet

adafruit_tca9548a.py

@@ -98,6 +98,10 @@ def scan(self) -> List[int]:
         """Perform an I2C Device Scan"""
         return self.tca.i2c.scan()
 
+    def probe(self, address: int) -> bool:
+        """Check if an I2C device is at the specified address on the hub."""
+        return self.tca.i2c.probe(address)
+
 
 class TCA9548A:
     """Class which provides interface to TCA9548A I2C multiplexer."""