PEL: Change info trace to a debug one

The PLDM daemon was missing the call to HostReject when PHYP responded
to getting a new PEL with the 'file discarded' response.  Now that it's
being added, this trace was showing up multiple times as PHYP would
accept one new PEL at a time as the OS slowly acked them.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I13bccf821b96a8d918d33646893efa34faf4c088
diff --git a/extensions/openpower-pels/host_notifier.cpp b/extensions/openpower-pels/host_notifier.cpp
index b6490ac..a4ea9d5 100644
--- a/extensions/openpower-pels/host_notifier.cpp
+++ b/extensions/openpower-pels/host_notifier.cpp
@@ -461,8 +461,8 @@
 
 void HostNotifier::setHostFull(uint32_t id)
 {
-    lg2::info("Received Host full indication, PEL ID = {ID}", "ID", lg2::hex,
-              id);
+    lg2::debug("Received Host full indication, PEL ID = {ID}", "ID", lg2::hex,
+               id);
 
     _hostFull = true;