Include the FDT for Radxa ROCK 5T in the FIT, in addition to those for
5B and 5B+, and add board selection code to load the 5T FDT when the
DRAM type is LPDDR5 and ADC channel 5 value is close to 1016.
Signed-off-by: FUKAUMI Naoki <naoki@radxa.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>