google-ipmi-sys: srcrev bump ef45005c2c..28557a1f6b

Patrick Venture (1):
      main: drop unused headers

Change-Id: I6969ca83e9da00afb9c89a7bd14b1de3119ebd8a
Signed-off-by: Andrew Geissler <openbmcbump-github@yahoo.com>
diff --git a/recipes-google/ipmi/google-ipmi-sys_git.bb b/recipes-google/ipmi/google-ipmi-sys_git.bb
index 4f9a669..9061b75 100644
--- a/recipes-google/ipmi/google-ipmi-sys_git.bb
+++ b/recipes-google/ipmi/google-ipmi-sys_git.bb
@@ -17,7 +17,7 @@
 
 S = "${WORKDIR}/git"
 SRC_URI = "git://github.com/openbmc/google-ipmi-sys"
-SRCREV = "ef45005c2c441a89a9bd84b9b0f22ac8a2fd9b65"
+SRCREV = "28557a1f6b2976fb67cb0238f4a1dbba0b295784"
 
 FILES_${PN}_append = " ${libdir}/ipmid-providers/lib*${SOLIBS}"
 FILES_${PN}_append = " ${libdir}/host-ipmid/lib*${SOLIBS}"