armv8: ls1043a: Enable PCIe and E1000 in defconfigs

The patch enables PCIe and E1000 in ls1043a defconfigs and
removes unused PCIe related macro defines.

Signed-off-by: Minghuan Lian <Minghuan.Lian@nxp.com>
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
12 files changed