Convert CONFIG_PCI_MSC01 to Kconfig

This converts the following to Kconfig:
   CONFIG_PCI_MSC01

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 680d5ba..e4c6056 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -146,6 +146,10 @@
 	  Say Y here if you want to enable PCI controller support on FSL
 	  PowerPC MPC85xx SoC.
 
+config PCI_MSC01
+	bool "MSC01 PCI support"
+	depends on TARGET_MALTA
+
 config PCI_RCAR_GEN2
 	bool "Renesas RCar Gen2 PCIe driver"
 	depends on RCAR_32