drivers/pci/Kconfig: Add PCI

Add 'PCI' as a menu option and migrate all existing users.

Signed-off-by: Tom Rini <trini@konsulko.com>
Acked-by: Stephen Warren <swarren@nvidia.com>
diff --git a/configs/pdm360ng_defconfig b/configs/pdm360ng_defconfig
index ad5b433..b1c8f5d 100644
--- a/configs/pdm360ng_defconfig
+++ b/configs/pdm360ng_defconfig
@@ -15,6 +15,7 @@
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
 CONFIG_CMD_PING=y
+# CONFIG_PCI is not set
 # CONFIG_VIDEO_SW_CURSOR is not set
 CONFIG_OF_LIBFDT=y
 CONFIG_FDT_FIXUP_PARTITIONS=y