powerpc: p_corenet: Compile legacy PCIe routines conditionally

Compile the legacy PCIe initialization routines for P2041RDB,
P3041, P4080, P5020 and P5040 DS boards only when DM_PCI is
 not enabled.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
1 file changed