sensors: bma150: Support polldev sysfs layout

Change-Id: Id7cf567db17b0be9aca90e107e22bbeaaba27dc3
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
libs: akmtastic: Work in progress

Change-Id: I110d30582972ffc33108340065719201267e6664
Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>