phosphor-led-manager.inc: bump version

Change-Id: Ic03f9947f93465140789dcb9ff7fd10bcb71be6d
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/common/recipes-phosphor/leds/phosphor-led-manager.inc b/common/recipes-phosphor/leds/phosphor-led-manager.inc
index f0e5889..5f15762 100644
--- a/common/recipes-phosphor/leds/phosphor-led-manager.inc
+++ b/common/recipes-phosphor/leds/phosphor-led-manager.inc
@@ -2,4 +2,4 @@
 LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=e3fc50a88d0a364313df4b21ef20c29e"
 SRC_URI += "git://github.com/openbmc/phosphor-led-manager"
-SRCREV = "9f78224616a00da873f1ced6f14d77fc83d7fa32"
+SRCREV = "3aa931d594a38a26176abce7e809e535bfe9f668"