intel/apollolake: Update gnvs for dptf

This patch updates dptf variable in gnvs based on device
configuration by reading the device tree structure.

TEST=Verify that the thermal zones are enumerated
       under /sys/class/thermal in Amenia and Reef board.
       Navigate to /sys/class/thermal, and verify that a
       thermal zone of type TCPU exists there.

Change-Id: I8ab34cdc94d8cdc840b02347569a9f07688e92cd
Signed-off-by: Shaunak Saha <>
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <>
2 files changed