pipeline: add SWX move instruction
pipeline: add SWX move instruction

The mov (i.e. move) instruction source can be header field (H),
meta-data field (M), extern object (E) or function (F) mailbox field,
table entry action data field (T) or immediate value (I). The
destination is HMEF.

Signed-off-by: Cristian Dumitrescu <25468b8a3698eeb3c368247f8635924bb4a1ce2c@intel.com>

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