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/P1020RDB-PD_NAND_defconfig b/configs/P1020RDB-PD_NAND_defconfig
index f428c68..0839286 100644
--- a/configs/P1020RDB-PD_NAND_defconfig
+++ b/configs/P1020RDB-PD_NAND_defconfig
@@ -17,6 +17,8 @@
 CONFIG_ENABLE_36BIT_PHYS=y
 CONFIG_SYS_MPC85XX_NO_RESETVEC=y
 CONFIG_TPL_SYS_MPC85XX_NO_RESETVEC=y
+CONFIG_PCIE1=y
+CONFIG_PCIE2=y
 CONFIG_MP=y
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y