LP PHY Set TRSW Override (u8 tx, u8 rx)

1. If tx is true
   1. Initialize a word to 2
2. Otherwise
   1. Initialize to 0
3. If rx is true
   1. OR the word with 1

4. MaskSet PHY Register 0x44D with mask 0xFFFC and set with the quantity found above

5. Bitwise OR PHY Register 0x44C with 0x3