board:trats2: fix default partitions and mmc env

This patch add uuid disk to defualt partions necessary to
restore gpt partitions and fixes mmcdev environmental variable.

Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
1 file changed