mboxbridge: srcrev bump 4b8203d721..7e3f20d02f

Andrew Jeffery (1):
      autotools: Fix autoconf-archive compatibility issues

(From meta-phosphor rev: 00a74fa5ab01ee1ad5cae10ee045206910744e9f)

Change-Id: I2439061894126b7aab7da255eefe8d2c53dc7176
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-phosphor/recipes-phosphor/mboxd/mboxd_git.bb b/meta-phosphor/recipes-phosphor/mboxd/mboxd_git.bb
index 79de7fa..a810faf 100644
--- a/meta-phosphor/recipes-phosphor/mboxd/mboxd_git.bb
+++ b/meta-phosphor/recipes-phosphor/mboxd/mboxd_git.bb
@@ -19,7 +19,7 @@
 SRC_URI += "file://99-aspeed-lpc-ctrl.rules"
 SRC_URI += "file://aspeed-lpc-ctrl-h.patch"
 
-SRCREV="4b8203d721b1114f09712e5ca04e18d10147d8cd"
+SRCREV="7e3f20d02f6555d082cdc320790ac8fd9976effb"
 
 PROVIDES += "mboxctl"