Fix PCI init on QEMU arm64

If we do not enable CONFIG_PCI_INIT_R, PCI doesn't work on ARM64.

Also, we need to enable CONFIG_SYS_EARLY_PCI_INIT so that PCI is
initialized before the virtio bus is scanned, or environment load
(from raw disk) will fail.

Change-Id: I1ce7fe19bd0623a969a3d3c49227725e5cb92646
2 files changed