doc: bump NXP SDK support version for dpaa2
doc: bump NXP SDK support version for dpaa2

With the change in MC firmware, minimum supported version of
the Layerscape SDK too needs to be changed.

Signed-off-by: Shreyansh Jain <9744844f062a9f6cf95f66f06508da54c8fc7929@nxp.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk