Convert CONFIG_PCIE1 et al to Kconfig

This converts the following to Kconfig:
   CONFIG_PCIE1
   CONFIG_PCIE2
   CONFIG_PCIE3
   CONFIG_PCIE4
   CONFIG_PCI1

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/ls1043aqds_nand_defconfig b/configs/ls1043aqds_nand_defconfig
index cbc58b2..7446f01 100644
--- a/configs/ls1043aqds_nand_defconfig
+++ b/configs/ls1043aqds_nand_defconfig
@@ -21,6 +21,9 @@
 CONFIG_SPL=y
 CONFIG_AHCI=y
 CONFIG_LAYERSCAPE_NS_ACCESS=y
+CONFIG_PCIE1=y
+CONFIG_PCIE2=y
+CONFIG_PCIE3=y
 CONFIG_FSL_USE_PCA9547_MUX=y
 CONFIG_VID=y
 CONFIG_VID_FLS_ENV="ls1043aqds_vdd_mv"