phosphor-logging: PEL code uses nlohmann-fifo

This provides a map where the key order is FIFO.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I41285b91c9b08fff74a3ca2c6e9909cc7784a84d
diff --git a/recipes-phosphor/logging/phosphor-logging_git.bb b/recipes-phosphor/logging/phosphor-logging_git.bb
index 58e8ef6..b7d955d 100644
--- a/recipes-phosphor/logging/phosphor-logging_git.bb
+++ b/recipes-phosphor/logging/phosphor-logging_git.bb
@@ -95,7 +95,7 @@
 PACKAGECONFIG[openpower-pels] = " \
         --enable-openpower-pel-extension, \
         --disable-openpower-pel-extension, \
-        nlohmann-json cli11, \
+        nlohmann-json nlohmann-fifo cli11, \
         , \
         "