i2c: move busses to drivers/i2c/busses

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

drivers/i2c/Kconfig

@@ -3,13 +3,7 @@ menuconfig I2C
 
 if I2C
 
-config I2C_IMX
-	bool "i.MX I2C Master driver"
-	depends on ARCH_IMX
-
-config I2C_OMAP
-	bool "OMAP I2C Master driver"
-	depends on ARCH_OMAP
+source drivers/i2c/busses/Kconfig
 
 config I2C_MC13892
 	bool "MC13892 a.k.a. PMIC driver"

drivers/i2c/Makefile

@@ -1,7 +1,4 @@
-obj-$(CONFIG_I2C) += i2c.o
-
-obj-$(CONFIG_I2C_IMX) += i2c-imx.o
-obj-$(CONFIG_I2C_OMAP) += i2c-omap.o
+obj-$(CONFIG_I2C) += i2c.o busses/
 
 obj-$(CONFIG_I2C_MC13892) += mc13892.o
 obj-$(CONFIG_I2C_MC34704) += mc34704.o

drivers/i2c/busses/Kconfig

@@ -0,0 +1,15 @@
+#
+# Sensor device configuration
+#
+
+menu "I2C Hardware Bus support"
+
+config I2C_IMX
+	bool "i.MX I2C Master driver"
+	depends on ARCH_IMX
+
+config I2C_OMAP
+	bool "OMAP I2C Master driver"
+	depends on ARCH_OMAP
+
+endmenu

drivers/i2c/busses/Makefile

@@ -0,0 +1,2 @@
+obj-$(CONFIG_I2C_IMX) += i2c-imx.o
+obj-$(CONFIG_I2C_OMAP) += i2c-omap.o