i40e: Support FW CEE DCB UP to TC map nibble swap

i40e: Support FW CEE DCB UP to TC map nibble swap

Orabug: 22342532

Changes parsing of AQ command Get CEE DCBX OPER CFG (0x0A07). Change is
required because FW creates the oper_prio_tc nibbles reversed from those
in the CEE Priority Group sub-TLV.

Change-ID: I7d9d8641bb430d30e286fc3fac909866ef8a0de8
Signed-off-by: Greg Bowers <gregory.j.bowers@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
(cherry picked from commit 95e5613f75ac93d0547b7d2077030a5fe11af21e)
Signed-off-by: Brian Maly <brian.maly@oracle.com>