phosphor-gpio-monitor.bb: bump version

Change-Id: I6ad1cbc81b9fefd6abcd404c98d9fff887e74ca0
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/common/recipes-phosphor/gpio/phosphor-gpio-monitor.bb b/common/recipes-phosphor/gpio/phosphor-gpio-monitor.bb
index e0f46e9..c83961a 100644
--- a/common/recipes-phosphor/gpio/phosphor-gpio-monitor.bb
+++ b/common/recipes-phosphor/gpio/phosphor-gpio-monitor.bb
@@ -23,5 +23,5 @@
 SYSTEMD_SERVICE_${PN} += "phosphor-gpio-monitor@.service"
 
 SRC_URI += "git://github.com/openbmc/phosphor-gpio-monitor"
-SRCREV = "e3b859ca45f17386257fa4e506acd266a18f1aa3"
+SRCREV = "ba8de42135766deab2125a784a89d3e51bc2e194"
 S = "${WORKDIR}/git"