OxPCIe uart: Split PCI bridge control

None of the PCI bridge management here is specific to the PCI UART
device/function. Also the Kconfig variable defaults are not globally
valid, fill samsung/lumpy with working values.

Change-Id: Id22631412379af1d6bf62c996357d36d7ec47ca3
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5237
Tested-by: build bot (Jenkins)
Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
diff --git a/src/include/device/pci.h b/src/include/device/pci.h
index 29d988f..f729c27 100644
--- a/src/include/device/pci.h
+++ b/src/include/device/pci.h
@@ -102,6 +102,8 @@
 
 unsigned pci_find_next_capability(device_t dev, unsigned cap, unsigned last);
 unsigned pci_find_capability(device_t dev, unsigned cap);
+void pci_early_bridge_init(void);
+int pci_early_device_probe(u8 bus, u8 dev, u32 mmio_base);
 
 #endif /* CONFIG_PCI */