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/jupiter_defconfig b/configs/jupiter_defconfig
index 48249b0..416f50f 100644
--- a/configs/jupiter_defconfig
+++ b/configs/jupiter_defconfig
@@ -5,3 +5,4 @@
 CONFIG_HUSH_PARSER=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_SNTP=y
+# CONFIG_PCI is not set