input: sensor: set the ABS_MISC bit to absbit

If set EV_ABS bit to evbit, and also set ABS_MISC
bit absbit, kernel will treat it as vitual input
device, it has the file node like "/sys/devices/
virtual/input/inputx/", besides "/sys/class/input/
inputx/". The uevent scripts will set the group of
all "enable" files in "/sys/devices/virtual/input/
inputx*" as "input" group, so that the sensor HAL
which group is "input", can write the "enable" file
to control the sensor

Change-Id: I4ceda923d7f236b8ceebaaa36cfd72abf4fa7e10
Signed-off-by: Richard Liu <richardl@codeaurora.org>