Fix include-what-you-use issue exposed by using vendor headers

Add unistd.h and sys/types.h to provide definitions used in this
file.

Test: m libwifi-hal-bcm
Change-Id: I9711a12428da3c2e92a3726f871c364cd2bb6e2d
1 file changed
tree: e32e2d7aefd0dd97ba2c8d1461a2df25b0557664
  1. bcmdhd/
  2. .gitignore
  3. CleanSpec.mk