[PATCH docs:designs:device-tree-gpio-naming] Add vrm-fault-standby pin name

[Ben Tyner]

From: Ben Tyner <ben.tyner at ibm.com>

Pin vrm-fault-standby indicates that the voltage regulator for standby
voltage reported a fault condition.

Signed-off-by: Ben Tyner <ben.tyner at ibm.com>
---
 designs/device-tree-gpio-naming.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/designs/device-tree-gpio-naming.md b/designs/device-tree-gpio-naming.md
index 98ddb03..b6489ca 100644
--- a/designs/device-tree-gpio-naming.md
+++ b/designs/device-tree-gpio-naming.md
@@ -114,6 +114,7 @@ These are special case and/or grandfathered in pin names.
 Defined:
 - cfam-reset
 - checkstop
+- vrm-fault-standby
 
 ## Alternatives Considered
 - Continue to hard code a config file per system type that has the
-- 
2.25.1