[FS#843] Switch port order reversed on TL-WR740N (v2.5)

[LEDE Bugs]

A Project Manager has denied the request pending for the following task:

FS#843 - Switch port order reversed on TL-WR740N (v2.5)
User who did this - Mathias Kresin (mkresin)

Reason for denial:
Fix confirmed working by reporter.

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=843