x15: expand bootpart arguments
Expand the existing run mmcboot
command into a clear set of parameters which can be modified if the partition layout changes in the future.
Migrated from https://projects.linaro.org/browse/LAVA-1152
Expand the existing run mmcboot
command into a clear set of parameters which can be modified if the partition layout changes in the future.
Migrated from https://projects.linaro.org/browse/LAVA-1152