suites/board_igep0033: Add more test cases.
suites/board_igep0033: Add more test cases.

New test cases are:
    - Test Power : Check the maximum acceptable limit of current
    - Test TPS65910: Check for PMIC in bus 0 at address 0x2d
    - Test EEPROM: Check for PMIC in bus 0 at address 0x50
    - Test TDA998x: Check for PMIC in bus 0 at address 0x70

Signed-off-by: Enric Balletbo i Serra <84b0e7bf25d36728076eb55422a35b75ccc0ab37@iseebcn.com>

eballetbo/igep_qa,eballetbo/igep_qa