pci: Move CONFIG_PCI_PNP to Kconfig

Introduce CONFIG_PCI_PNP in Kconfig and move over boards' defconfig
to use that.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
[trini: Re-generate configs and include/configs/ changes]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/bamboo_defconfig b/configs/bamboo_defconfig
index 0d00e24..e47d4ec 100644
--- a/configs/bamboo_defconfig
+++ b/configs/bamboo_defconfig
@@ -18,6 +18,7 @@
 CONFIG_CMD_CACHE=y
 CONFIG_CMD_EXT2=y
 CONFIG_CMD_FAT=y
+# CONFIG_PCI_PNP is not set
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_USB_STORAGE=y