Cleanup QCOM usage of LOCAL_MODULE_TAGS

Starting from GB, modules which doesn't have LOCAL_MODULE_TAGS
defined (default to user tag) or which has user tag and not part
of GRANDFATHERED_USER_MODULES does throgh ERROR/WARNING
message. To supress these WARNING messages, we need to add
optional tag.

Targets tested on:
msm8660_surf

Tests:
Did a build from scratch

Change-Id: I006ae23366cf1f517f0c68f66f607be1455b4ba9
2 files changed
tree: 9604eef8680e12fd615d42a100a83524e2b3a13f
  1. softap/