i2c: allow twl modules to be built as modules

Besides twl core and twl gpio, all the others can
be dynamically linked.

Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig
index cba8abf30507ff4d7bbf394a8150f539bdeb3742..b421727af9200e50a27e70277d7131cb3feccbc1 100644 (file)
--- a/drivers/i2c/chips/Kconfig
+++ b/drivers/i2c/chips/Kconfig
@@ -150,7 +150,7 @@ config TWL4030_MADC
          called twl4030-madc.ko
 
 config TWL4030_USB
-       bool "TWL4030 USB Transceiver Driver"
+       tristate "TWL4030 USB Transceiver Driver"
        depends on TWL4030_CORE
 
 choice
@@ -170,11 +170,11 @@ config TWL4030_USB_HS_ULPI
 endchoice
 
 config TWL4030_PWRBUTTON
-       bool "TWL4030 Power button Driver"
+       tristate "TWL4030 Power button Driver"
        depends on TWL4030_CORE
 
 config TWL4030_POWEROFF
-       bool "TWL4030 device poweroff"
+       tristate "TWL4030 device poweroff"
        depends on TWL4030_CORE
 
 config SENSORS_MAX6875