ixgbe: increase the timeout

Increase SECRX_RDY polling frequency and semaphore timeout which
fixes the FWSW.PT check in ixgbe_mng_present().

Signed-off-by: Qiming Yang <qiming.yang@intel.com>
Acked-by: Wenzhuo Lu <wenzhuo.lu@intel.com>

Approved by: imp
Obtained from: DPDK (6175260d12cc22852cecf2fb7ecd95cdb07611b5)
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D31621

(cherry picked from commit 5fd1f4be8d81a0019c632103121d68e2f20bc238)