Invensense: Fix unused variables & functions

For build-system CFLAGS clean-up, fix unused variables and functions.

Change-Id: I1f5d2bfeb9317828ccbc007d6e714c3ff67cca1e
5 files changed
tree: bdd9a1d696ff56497a0e4325e21e19aec35c96dc
  1. 60xx/
  2. 6515/
  3. 65xx/
  4. Android.mk