PeripheralIO - Add Gpio sysfs driver

Add gpio driver interface, along with a gpio
sysfs implementation

BUG: 27406165
Change-Id: Ibb5618f3be86cc629d58fa807a63307ac5423d7a
4 files changed
tree: 8ebdc5a168f5908c9eb29b72b2afe85ff1196382
  1. client/
  2. daemon/
  3. example/
  4. include/
  5. ipc/
  6. Android.mk
  7. MODULE_LICENSE_APACHE2
  8. NOTICE
  9. README