entity-manager: srcrev bump 1a7c37087d..12bc7931b4

Ed Tanous (4):
      Simplify mux symlink logic
      Fix rstrip on Fru read
      Add M.2 Mux to WFT Baseboard
      Fix an issue with $index

James Feist (2):
      Out of tree build: Add nlohmann as valijson depend
      Rename Front Panel Stepwise curve

Change-Id: I6884c6c03bd09328362a809adecc16442d7467ed
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
diff --git a/recipes-phosphor/configuration/entity-manager_git.bb b/recipes-phosphor/configuration/entity-manager_git.bb
index 3b24448..33e6658 100644
--- a/recipes-phosphor/configuration/entity-manager_git.bb
+++ b/recipes-phosphor/configuration/entity-manager_git.bb
@@ -3,7 +3,7 @@
 and configures system sensors"
 
 SRC_URI = "git://github.com/openbmc/entity-manager.git"
-SRCREV = "1a7c37087d2b198ada50330ac341ff19072ccbdc"
+SRCREV = "12bc7931b4304caeceb87ab422aad5be62a0d9d5"
 PV = "0.1+git${SRCPV}"
 
 LICENSE = "Apache-2.0"