Add BAR address debug information to Oxford PCIe serial driver

The Oxford PCIE Serial card has a hardcoded address at setup,
which may be moved during PCI Init. The driver re-initializes
after PCI init. Add a debug print for the new BAR address.

Initializing Oxford OXPCIe952
OXPCIe952: Class=70002 Revision ID=0
OXPCIe952: 2 UARTs detected.
OXPCIe952: Uart Bar: 0xe0800000

Change-Id: I1858d3eba09749cba3c3869060d00e621dca112a
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Reviewed-on: http://review.coreboot.org/1327
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

src/drivers/oxford/oxpcie/oxpcie.c

@@ -38,6 +38,7 @@ static void oxford_oxpcie_enable(device_t dev)
 			(read32(res->base) >> 8), (read32(res->base) & 0xff));
 	printk(BIOS_DEBUG, "OXPCIe952: %d UARTs detected.\n",
 			(read32(res->base + 4) & 3));
+	printk(BIOS_DEBUG, "OXPCIe952: UART BAR: 0x%x\n", (u32)res->base);
 }