MIPS: qemu-malta: add PCI support

Qemu emulates the Galileo GT64120 System Controller
which provides a CPU bus to PCI bus bridge.

The patch adds driver for this bridge and enables
PCI support for the emulated Malta board.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Cc: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 5a23914..be26b60 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -12,6 +12,7 @@
 COBJS-$(CONFIG_FSL_PCI_INIT) += fsl_pci_init.o
 COBJS-$(CONFIG_PCI) += pci.o pci_auto.o
 COBJS-$(CONFIG_PCI_INDIRECT_BRIDGE) += pci_indirect.o
+COBJS-$(CONFIG_PCI_GT64120) += pci_gt64120.o
 COBJS-$(CONFIG_FTPCI100) += pci_ftpci100.o
 COBJS-$(CONFIG_IXP_PCI) += pci_ixp.o
 COBJS-$(CONFIG_SH4_PCI) += pci_sh4.o