[PATCH docs] Add dbus method cold_reset() for bmc dbus object

[OpenBMC Patches]

From: adamliyi <adamliyi at msn.com>

---
 dbus-interfaces.md | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/dbus-interfaces.md b/dbus-interfaces.md
index 28fe410..7dee30f 100644
--- a/dbus-interfaces.md
+++ b/dbus-interfaces.md
@@ -151,4 +151,11 @@ properties:
 
   *  `state`
 
+# BMC
+
+## `/org/openbmc/control/bmc/bmc0`
+
+methods:
+
+  *  `cold_reset()`
 
-- 
2.6.4