phosphor-logging: Add PEL dependency

The phosphor-logging PEL extension code now depends on PLDM.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: Ief80e377f7dcaffeb58c8260dfc49deee746ddee
diff --git a/recipes-phosphor/logging/phosphor-logging_git.bb b/recipes-phosphor/logging/phosphor-logging_git.bb
index 39e42c9..aba5e68 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 nlohmann-fifo cli11, \
+        nlohmann-json nlohmann-fifo cli11 pldm, \
         , \
         "