board: ti: j721s2: Add support for detecting multiple device trees

Update the board_fit_config_name_match() to choose the right dtb
based on the board name read from EEPROM.

Also restrict multpile EEPROM reads by verifying if EEPROM is already
read

Signed-off-by: Sinthu Raja <sinthu.raja@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
1 file changed