Sensors: [PATCH 2/3] Enable flags to load correct sensors HAL.

- Enable " COMPILE_INVENSENSE_COMPASS_CAL", " COMPILE_COMPASS_AMI306"
  to load sensors HAL correctly in our target project.

Change-Id: Ia478fe362aa7b6d2bdf64ca65f65c06fb572ade4
diff --git a/BoardConfigCommon.mk b/BoardConfigCommon.mk
index 6eef712..1f4bef6 100644
--- a/BoardConfigCommon.mk
+++ b/BoardConfigCommon.mk
@@ -79,3 +79,6 @@
 NEED_WORKAROUND_CORTEX_A9_745320 := true
 
 BOARD_USES_GROUPER_MODULES := true
+
+COMPILE_INVENSENSE_COMPASS_CAL := 1
+COMPILE_COMPASS_AMI306 := 1