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/configs/r2dplus_defconfig b/configs/r2dplus_defconfig
index 5a38b07..2beda3a 100644
--- a/configs/r2dplus_defconfig
+++ b/configs/r2dplus_defconfig
@@ -52,6 +52,7 @@
 CONFIG_RTL8139=y
 CONFIG_TULIP=y
 CONFIG_PCI=y
+CONFIG_SH7751_PCI=y
 CONFIG_SPECIFY_CONSOLE_INDEX=y
 CONFIG_DM_SERIAL=y
 CONFIG_SERIAL_RX_BUFFER=y
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
diff --git a/include/configs/r2dplus.h b/include/configs/r2dplus.h
index ae71262..409d5af 100644
--- a/include/configs/r2dplus.h
+++ b/include/configs/r2dplus.h
@@ -25,9 +25,4 @@
  */
 #define	CONFIG_SYS_PLL_SETTLING_TIME	100/* in us */
 
-/*
- * SuperH PCI Bridge Configration
- */
-#define CONFIG_SH7751_PCI
-
 #endif /* __CONFIG_H */