avb2.0: add get_size_of_partition()

Implement get_size_of_partition() operation,
which is required by the latest upstream libavb [1].

[1] https://android.googlesource.com/platform/external/avb/+/android-p-preview-5

Signed-off-by: Igor Opaniuk <igor.opaniuk@linaro.org>
Acked-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
1 file changed