sdbusplus.bb: bump version

Change-Id: I5d594107e91682e44a25e796f9c0844f135ed45a
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/common/recipes-extended/sdbusplus/sdbusplus.bb b/common/recipes-extended/sdbusplus/sdbusplus.bb
index 0ef8085..ac51384 100644
--- a/common/recipes-extended/sdbusplus/sdbusplus.bb
+++ b/common/recipes-extended/sdbusplus/sdbusplus.bb
@@ -16,7 +16,7 @@
         "
 
 SRC_URI += "git://github.com/openbmc/sdbusplus"
-SRCREV = "560e5fd5d135c7a3d4e354fd5346220fb9483575"
+SRCREV = "b6dcf97fdf0d9c673812942f5b4e8b2691ceb5a3"
 
 PACKAGECONFIG ??= "libsdbusplus"
 PACKAGECONFIG[libsdbusplus] = "--enable-libsdbusplus,--disable-libsdbusplus,systemd,libsystemd"