meta-ethanolx: Prepare layer for daytonax board

All configurations that are specific for the EthanolX board are needed
to have ":ethanolx" override.

Change-Id: I7b3381a1f486168bcd12a1ac0fb4756a31fb0487
Signed-off-by: Konstantin Aladyshev <aladyshev22@gmail.com>
diff --git a/meta-amd/recipes-phosphor/logging/phosphor-hostlogger_%.bbappend b/meta-amd/recipes-phosphor/logging/phosphor-hostlogger_%.bbappend
index 1f2e6c0..503408a 100644
--- a/meta-amd/recipes-phosphor/logging/phosphor-hostlogger_%.bbappend
+++ b/meta-amd/recipes-phosphor/logging/phosphor-hostlogger_%.bbappend
@@ -1,8 +1,8 @@
 FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}/${MACHINE}:"
 
 # Default service instance to install (single-host mode)
-DEFAULT_INSTANCE = "ttyS0"
+DEFAULT_INSTANCE:ethanolx = "ttyS0"
 
 SRC_URI:remove = "file://${BPN}.conf"
-SRC_URI += "file://ttyS0.conf"
+SRC_URI:ethanolx += "file://ttyS0.conf"