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/ls1046aqds_tfa_defconfig b/configs/ls1046aqds_tfa_defconfig
index 6f208b9..52d3d302 100644
--- a/configs/ls1046aqds_tfa_defconfig
+++ b/configs/ls1046aqds_tfa_defconfig
@@ -19,6 +19,9 @@
 CONFIG_ENV_ADDR=0x60500000
 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="ls1046aqds_vdd_mv"