GDI-4ch to broadcast GM fuel pressure sensor data over CAN

[rusefillc]

We need the GM fuel sensor decoder https://github.com/rusefi/rusefi-hardware/tree/main/SENT-box/firmware into https://github.com/rusefi/rusefi-hardware/tree/main/GDI-4ch/firmware please

[dron0gus]

step 1 #286

[dron0gus]

GDI-4ch rev d.
IN_DIN4 is used for SENT.
C101 removed
R104 replaced with 4.7K.
GM fuel pressure sensor:

---- SENT input 0 ----
Unit time 62 timer ticks
Pause pulse detected No
Total pulses 1215989
Last valid fast msg Status 0xC Sig0 0x0C5 Sig1 0x0CB
Slow channels:
 ID 16: 756
 ID 22: 755
HW overflows 0
Pause pulses 0
Restarts 0
Interval errors 0 short, 1 long
Total frames 135141 with CRC error 0 (0%)
Total slow channel messages 7507 with crc6 errors 0 (0%)
Sync errors 0
--------------------

[dron0gus]

Temperature is transmitted in two slow channels: 16 and 22. Convertion is still not clear:
Temperature is close to zero:

 ID 22: 565
 ID 16: 566

Below zero

 ID 22: 527
 ID 16: 528

 ID 22: 538
 ID 16: 538

Room temperature (20..22 C)

 ID 22: 689
 ID 16: 689

Just boiled water

 ID 22: 1220
 ID 16: 1221

 ID 22: 1202
 ID 16: 1203

Cooled a bit

 ID 22: 1151
 ID 16: 1152