configs: Add POWER_CONFIG for machines

Add configs that address differences in naming, polarity, and number of
GPIOs used to control power sequencing and standby reset holds.

These are based on existing per-machine patches to op-pwrctl.

Signed-off-by: Xo Wang <xow@google.com>
Change-Id: I9b1b076cda58899bec466f94ae8a9c87f9ed4124
diff --git a/configs/Barreleye.py b/configs/Barreleye.py
index 0273c4b..4b6a15c 100644
--- a/configs/Barreleye.py
+++ b/configs/Barreleye.py
@@ -540,6 +540,17 @@
 	},
 }
 
+POWER_CONFIG = {
+    'power_good_in' : 'PGOOD',
+    'power_up_outs' : [
+        ('POWER_PIN', False),
+    ],
+    'reset_outs' : [
+        ('PCIE_RESET', False),
+        ('USB_RESET', False),
+    ],
+}
+
 # Miscellaneous non-poll sensor with system specific properties.
 # The sensor id is the same as those defined in ID_LOOKUP['SENSOR'].
 MISC_SENSORS = {