mrw-rev.bbclass: bump version

Change-Id: Icc5a628110c7cd1d92b72a3cfd9ea14933ec1e25
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/meta-phosphor/classes/mrw-rev.bbclass b/meta-phosphor/classes/mrw-rev.bbclass
index 4a5ea9f..6e176dc 100644
--- a/meta-phosphor/classes/mrw-rev.bbclass
+++ b/meta-phosphor/classes/mrw-rev.bbclass
@@ -2,4 +2,4 @@
 MRW_API_SRCREV ?= "60c8e10cbb11768cd1ba394b35cb1d6627efec42"
 
 MRW_TOOLS_SRC_URI ?= "git://github.com/openbmc/phosphor-mrw-tools"
-MRW_TOOLS_SRCREV ?= "c17001d7f872a1a8aee183bb0bffd8137c51da8e"
+MRW_TOOLS_SRCREV ?= "c5e127d6122f2c8ba9d2b65edf2db10518ac4639"