I2C: TWL4030: Move all *_*.c to *-*.c

Rename to use the name style.
Signed-off-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

drivers/i2c/chips/Makefile

@@ -22,10 +22,10 @@ obj-$(CONFIG_SENSORS_TLV320AIC23) += tlv320aic23.o
 obj-$(CONFIG_GPIOEXPANDER_OMAP)	+= gpio_expander_omap.o
 obj-$(CONFIG_MENELAUS)		+= menelaus.o
 obj-$(CONFIG_SENSORS_TSL2550)	+= tsl2550.o
-obj-$(CONFIG_TWL4030_CORE)	+= twl4030_core.o
-obj-$(CONFIG_TWL4030_GPIO)	+= twl4030_gpio.o
-obj-$(CONFIG_TWL4030_USB)	+= twl4030_usb.o
-obj-$(CONFIG_TWL4030_POWEROFF)	+= twl4030_poweroff.o
+obj-$(CONFIG_TWL4030_CORE)	+= twl4030-core.o
+obj-$(CONFIG_TWL4030_GPIO)	+= twl4030-gpio.o
+obj-$(CONFIG_TWL4030_USB)	+= twl4030-usb.o
+obj-$(CONFIG_TWL4030_POWEROFF)	+= twl4030-poweroff.o
 obj-$(CONFIG_RTC_X1205_I2C)	+= x1205.o
 
 ifeq ($(CONFIG_I2C_DEBUG_CHIP),y)