add missing port argument to esp32 output

adds the missing `-p (PORT)` to the output seen at the end of compiling.

Author: kdschlosser

builder/esp32.py

@@ -1127,7 +1127,7 @@ def find_esp32(chip):
             print()
             print(erase_cmd)
             print()
-            print(output.replace('-b 460800', '-b 921600'))
+            print(output.replace('-b 460800', '-p (PORT) -b 921600'))
             print()