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/TQM823L_LCD_defconfig b/configs/TQM823L_LCD_defconfig
index b7a3500..f78b7f7 100644
--- a/configs/TQM823L_LCD_defconfig
+++ b/configs/TQM823L_LCD_defconfig
@@ -11,5 +11,6 @@
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_SNTP=y
 CONFIG_CMD_EXT2=y
+# CONFIG_PCI is not set
 CONFIG_LCD=y
 CONFIG_OF_LIBFDT=y