uci_packets.pdl SessionStartCmd doesn't include payload length

[PetervdPerk-NXP]

pica/src/uci_packets.pdl

Lines 1133 to 1139 in 5367a4f

	packet SessionStartCmd : SessionControlPacket (mt = COMMAND, oid = START) {
	session_id: 32,
	}
	test SessionStartCmd {
	"\x22\x00\x00\x04\x00\x00\x00\x00\x01\x02\x03",
	}

Pica seems to ignore the payload length of the SessionControlPacket which is in this case is 4.

0x22 0x00 0x00 0x04