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2017-12-02soc/intel/apollolake: Add PNP configDivya Chellap
1. Programs PNP values for AUNIT, BUNIT & TUNIT registers as per reference code. 2. A new configuration option pnp_settings is introduced in devicetree.cb to select PNP settings among performance, power, power & performance. TEST = built and booted glkrvp, verfied that the callback gets control, verified warm and cold reboots. Change-Id: Ibd70a42c9406941c8a93cc972f22c2475e9d0200 Signed-off-by: Divya Chellap <divya.chellappa@intel.com> Reviewed-on: https://review.coreboot.org/22488 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org>