Porting tlv audio card on the TX2 develop kit(p3310)

according to “TX2 serious pinmux”, GEN1_I2C_SCL maps to GPIO3_PC.05, GEN1_I2C_SDA maps to GPIO3_PC.06.
reference to topic,

cat /sys/kernel/debug/gpio | grep -C 5 342
gpio-337 (                                         )
gpio-338 (                                         )
gpio-339 (                                         )
gpio-340 (                                         )
gpio-341 (                                         )
gpio-342 (                                         )
gpio-343 (                                         )
gpio-345 (                                         )
gpio-346 (                                         )