iprutils: Add support to format 4K disks to RAID/JBOD
iprutils: Add support to format 4K disks to RAID/JBOD

This patch addes support to format 4K disks to RAID or JBOD in iprutils
command line.

Signed-off-by: Wen Xiong <3f05dffe35fb464944196f1f9341b62f07cb8996@linux.vnet.ibm.com>
Signed-off-by: Kleber Sacilotto de Souza <3e92e3c568de7889d3f75db02645a8c2f2e396ca@linux.vnet.ibm.com>

leitao/iprutils