Convert CONFIG_SH7751_PCI to Kconfig

This converts the following to Kconfig:
   CONFIG_SH7751_PCI

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 53d0ebd7..680d5ba 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -171,6 +171,12 @@
 	  the device tree but the normal PCI scan technique is used to find
 	  then.
 
+config SH7751_PCI
+	bool "SH7751 PCI controller support"
+	depends on SH
+	help
+	  SuperH PCI Bridge Configuration
+
 config PCI_TEGRA
 	bool "Tegra PCI support"
 	depends on ARCH_TEGRA