phosphor-debug-collector.inc: bump version

Change-Id: I0e9a948ccfea8b3802bc2860425e51c9d034fe7d
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/common/recipes-phosphor/dump/phosphor-debug-collector.inc b/common/recipes-phosphor/dump/phosphor-debug-collector.inc
index c9b3a92..8f0ef4c 100644
--- a/common/recipes-phosphor/dump/phosphor-debug-collector.inc
+++ b/common/recipes-phosphor/dump/phosphor-debug-collector.inc
@@ -2,4 +2,4 @@
 LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://${S}/LICENSE;md5=e3fc50a88d0a364313df4b21ef20c29e"
 SRC_URI += "git://github.com/openbmc/phosphor-debug-collector"
-SRCREV = "ff0699dd834984e806e00dcc586ffb01bcd85a70"
+SRCREV = "9c15558ba14fcace4db761493225f1415d7abcf6"