ibm: logging: Replace rainier with p10bmc

The IBM rainier machine name is being replaced with the generic p10bmc.

Change-Id: I9fa2bb6f199144816bd9d90405afe4fba36fc575
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
diff --git a/meta-ibm/recipes-phosphor/logging/phosphor-logging_%.bbappend b/meta-ibm/recipes-phosphor/logging/phosphor-logging_%.bbappend
index ac5e0b9..d1c8863 100644
--- a/meta-ibm/recipes-phosphor/logging/phosphor-logging_%.bbappend
+++ b/meta-ibm/recipes-phosphor/logging/phosphor-logging_%.bbappend
@@ -1,2 +1,2 @@
 PACKAGECONFIG_append_witherspoon-tacoma = " openpower-pels"
-PACKAGECONFIG_append_rainier = " openpower-pels"
+PACKAGECONFIG_append_p10bmc = " openpower-pels"