meta-openpower: phosphor-logging: drop symlink

Drop symlink and rename bbappend for phosphor-logging.

Change-Id: Iabfff50ebd7889cafe0092975b53040a40c5ec23
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/recipes-phosphor/logging/phosphor-logging_%.bbappend b/recipes-phosphor/logging/phosphor-logging_%.bbappend
deleted file mode 120000
index 42d87b7..0000000
--- a/recipes-phosphor/logging/phosphor-logging_%.bbappend
+++ /dev/null
@@ -1 +0,0 @@
-phosphor-logging.bbappend
\ No newline at end of file
diff --git a/recipes-phosphor/logging/phosphor-logging.bbappend b/recipes-phosphor/logging/phosphor-logging_%.bbappend
similarity index 100%
rename from recipes-phosphor/logging/phosphor-logging.bbappend
rename to recipes-phosphor/logging/phosphor-logging_%.bbappend