Scale magnetic events within a sanity limit
Scale magnetic events within a sanity limit

Scale magnetic events even if we don't have a calibration.
If the values are considered "wrong" by Android it does not compute
values for the virtual sensors until we have a calibration and 
sane looking values in place

Change-Id: I94347d98f541c85d9734ce347a070abca351de2c
Signed-off-by: Adriana Reus <54192c763ae4f960dbf2b2f913f2990b3167a436@intel.com>

01org/android-iio-sensors-hal,01org/android-iio-sensors-hal