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EN_PWR_A GPIO turns on PP1800_A, PP5000_A, PP3300_A, PP950_A. These should be off in G3 and on in S5 and higher. VGATE (S0 power) is pulled high in G3 when SPOK (system power, S5) is low because PP5000_A turns off, so add a check for this and only pass through high VGATE when SPOK is also high. Leave kahlee behavior unchanged (power stays on in G3). BUG=b:72744306 BRANCH=none TEST=power on and off SOC, see GPIO_EN_PWR_A go low in G3 Change-Id: I68a1ac10263ad84d5ee154613e5e248edb4d287c Signed-off-by: Edward Hill <ecgh@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/904729 Commit-Ready: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Jett Rink <jettrink@chromium.org>