Add proper dependencies for the i2c chips/busses

drivers/i2c/busses/Kconfig

@@ -7,6 +7,7 @@ menu "I2C Hardware Sensors Mainboard support"
 
 config I2C_AMD756
 	tristate "  AMD 756/766"
+	depends on I2C && I2C_PROC
 	help
 	  If you say yes to this option, support will be included for the AMD
 	  756/766/768 mainboard I2C interfaces.
@@ -23,6 +24,7 @@ config I2C_AMD756
 
 config I2C_AMD8111
 	tristate "  AMD 8111"
+	depends on I2C && I2C_PROC
 	help
 	  If you say yes to this option, support will be included for the AMD
 	  8111 mainboard I2C interfaces.

drivers/i2c/chips/Kconfig

@@ -7,6 +7,7 @@ menu "I2C Hardware Sensors Chip support"
 
 config SENSORS_ADM1021
 	tristate "  Analog Devices ADM1021 and compatibles"
+	depends on I2C && I2C_PROC
 	help
 	  If you say yes here you get support for Analog Devices ADM1021 
 	  and ADM1023 sensor chips and clones: Maxim MAX1617 and MAX1617A,
@@ -23,6 +24,7 @@ config SENSORS_ADM1021
 
 config SENSORS_LM75
 	tristate "  National Semiconductors LM75 and compatibles"
+	depends on I2C && I2C_PROC
 	help
 	  If you say yes here you get support for National Semiconductor LM75
 	  sensor chips and clones: Dallas Semi DS75 and DS1775, TelCon