mrw-rev.bbclass: bump version

Change-Id: Ia39f9c3e5d62dce6f47653437fd78677b072bd46
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/classes/mrw-rev.bbclass b/classes/mrw-rev.bbclass
index 0460278..436cd80 100644
--- a/classes/mrw-rev.bbclass
+++ b/classes/mrw-rev.bbclass
@@ -2,4 +2,4 @@
 MRW_API_SRCREV ?= "31155941629988f0adcf765e7e7dd3af34fb1214"
 
 MRW_TOOLS_SRC_URI ?= "git://github.com/openbmc/phosphor-mrw-tools"
-MRW_TOOLS_SRCREV ?= "3706646aa8cc16897b3af96969eb133f9ba0d2f8"
+MRW_TOOLS_SRCREV ?= "854e26a36cde5f4131f2c673b716509cbdd4f298"