EC: Add validation for EC chunk size

Add validation for chunk size option when using ozone CLI to create new bucket.

For example,

1. Since using very small chunk size is not recommended for performance reasons. Please use at least 1024k (which matches default bytes per checksum setting.

2. Chunk sizes shouldn't be more than block size.

For reference: https://github.com/apache/ozone/blob/master/hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/shell/ReplicationOptions.java#L74