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/P2041RDB_SDCARD_defconfig b/configs/P2041RDB_SDCARD_defconfig
index a54f35a..a64f892 100644
--- a/configs/P2041RDB_SDCARD_defconfig
+++ b/configs/P2041RDB_SDCARD_defconfig
@@ -8,6 +8,9 @@
 CONFIG_TARGET_P2041RDB=y
 CONFIG_MPC85XX_HAVE_RESET_VECTOR=y
 CONFIG_ENABLE_36BIT_PHYS=y
+CONFIG_PCIE1=y
+CONFIG_PCIE2=y
+CONFIG_PCIE3=y
 CONFIG_MP=y
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y