meta-facebook: yosemite4: Initial commit for yosemite4n

Description:
Add yosemite4n layer under yosemite4.
Add common configurations for yosemite4 and yosemite4n.
Add json file set uboot baudrate to 57600.

Tested:
Build Success.

Change-Id: I7ff2ffa3e008be9d2f132ac6c3f058fa7b33f329
Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com>
Signed-off-by: Tim Lee <timlee660101@gmail.com>
Signed-off-by: Ricky CX Wu <ricky.cx.wu.wiwynn@gmail.com>
diff --git a/meta-facebook/meta-yosemite4/recipes-networking/mctp/mctp_%.bbappend b/meta-facebook/meta-yosemite4/recipes-networking/mctp/mctp_%.bbappend
index 04dcac3..41e2a65 100644
--- a/meta-facebook/meta-yosemite4/recipes-networking/mctp/mctp_%.bbappend
+++ b/meta-facebook/meta-yosemite4/recipes-networking/mctp/mctp_%.bbappend
@@ -1,11 +1,11 @@
 FILESEXTRAPATHS:prepend := "${THISDIR}/files:"
 
-
 SRC_URI += " \
     file://setup-local-eid.conf \
     file://setup-static-endpoints.conf \
     file://mctp-config.sh \
     file://setup-static-endpoints.sh \
+    file://nic-gpio-addrs.sh \
 "
 
 FILES:${PN} += "${systemd_system_unitdir}/*"
@@ -22,4 +22,7 @@
             ${D}${datadir}/mctp/
     install -m 0755 ${WORKDIR}/setup-static-endpoints.sh \
             ${D}${datadir}/mctp/
+    install -d ${D}${datadir}/mctp
+    install -m 0755 ${WORKDIR}/nic-gpio-addrs.sh \
+            ${D}${datadir}/mctp/
 }