Toyota: rename ACC_HUD to PCS_HUD, and expand

[cydia2020]

On Toyotas, we currently have ACC_HUD which is wrong as this address purely controls PCS-related lights, indicators, and toggles. Fix this, and expand the signal.

PSB means pre-collision seatbelt

• [ ] Rename
• [ ] Expand Signal

 SG_ PCS_INDICATOR : 7|2@0+ (1,0) [0|3] "" XXX
 SG_ FCW : 4|1@0+ (1,0) [0|1] "" XXX
 SG_ SET_ME_X20 : 15|8@0+ (1,0) [0|1] "" XXX
 SG_ SET_ME_X10 : 39|8@0+ (1,0) [0|1] "" XXX
 SG_ PCS_OFF : 40|1@0+ (1,0) [0|0] "" XXX
 SG_ PCS_SENSITIVITY : 55|8@0+ (1,0) [0|1] "" XXX

[cydia2020]

Seems like anything marked with 2 at the end in that address is for the rear radar