i2c: move w83481d to top of link order due to chip address takeover ability.

Fixes http://bugme.osdl.org/show_bug.cgi?id=1066

drivers/i2c/chips/Makefile

@@ -2,10 +2,12 @@
 # Makefile for the kernel hardware sensors chip drivers.
 #
 
+# w83781d goes first, as it can override other driver's addresses.
+obj-$(CONFIG_SENSORS_W83781D)	+= w83781d.o
+
 obj-$(CONFIG_SENSORS_ADM1021)	+= adm1021.o
 obj-$(CONFIG_SENSORS_IT87)	+= it87.o
 obj-$(CONFIG_SENSORS_LM75)	+= lm75.o
 obj-$(CONFIG_SENSORS_LM78)	+= lm78.o
 obj-$(CONFIG_SENSORS_LM85)	+= lm85.o
 obj-$(CONFIG_SENSORS_VIA686A)	+= via686a.o
-obj-$(CONFIG_SENSORS_W83781D)	+= w83781d.o