mrw-rev.bbclass: bump version

Change-Id: Ifd78b96da6af456af2a64527f8214b6654167a87
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/classes/mrw-rev.bbclass b/classes/mrw-rev.bbclass
index 5921cc9..d098625 100644
--- a/classes/mrw-rev.bbclass
+++ b/classes/mrw-rev.bbclass
@@ -2,4 +2,4 @@
 MRW_API_SRCREV ?= "d5439651a5c89c7a51038ce65c62ab8483271627"
 
 MRW_TOOLS_SRC_URI ?= "git://github.com/openbmc/phosphor-mrw-tools"
-MRW_TOOLS_SRCREV ?= "c0dff8a67399085b1bcb76092c31bcd7e4af4414"
+MRW_TOOLS_SRCREV ?= "eca7f06f0a093bdda5aa650775c1b034d9870180"