修改bh1750_test1.c的平台设备名与i2c-gpio-param匹配
Merge remote branch 'origin/master' 合并来自公司做的事情

Conflicts:
	drivers/gpio/bh1750_test1.c
	drivers/gpio/bh1750fvi.c
测试网上看到的例子,未完
修改drivers/gpio/Kconfig和Makefile,把bh1750fvi的驱动和i2c-adapter的总线驱动分离出来,方便调试和测试
Merge remote branch 'origin/master'

Conflicts:
	drivers/gpio/Kconfig
	drivers/gpio/Makefile
	drivers/gpio/bh1750_test1.c
在家修改来mach-mini2440.c的i2c-gpio,编译通过未测试