uboot-phytec

configs: Enable CONFIG_BLK in am57xx_evm and am57xx_hs_evm

Enable CONFIG_DM_SCSI and CONFIG_BLK.

Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>