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-kernel/linux/linux-aspeed/yosemite4.cfg b/meta-facebook/meta-yosemite4/recipes-kernel/linux/linux-aspeed/yosemite4.cfg
index c6005a7..6a2cab5 100644
--- a/meta-facebook/meta-yosemite4/recipes-kernel/linux/linux-aspeed/yosemite4.cfg
+++ b/meta-facebook/meta-yosemite4/recipes-kernel/linux/linux-aspeed/yosemite4.cfg
@@ -1,11 +1,3 @@
-# TPM drivers
-CONFIG_TCG_TPM=y
-CONFIG_TCG_TIS_CORE=y
-CONFIG_TCG_TIS=y
-CONFIG_TCG_TIS_SPI=m
-# I2C drivers
-CONFIG_I2C=y
-CONFIG_I2C_SLAVE=y
 # I2C mqueue for mctp
 CONFIG_I2C_SLAVE_MQUEUE=m
 CONFIG_I2C_SLAVE_MQUEUE_QUEUE_SIZE=32
@@ -14,8 +6,6 @@
 CONFIG_SPI_ASPEED=y
 CONFIG_SPI_GPIO=y
 # Jtag driver
-CONFIG_JTAG=y
-CONFIG_HAS_IOMEM=y
 CONFIG_JTAG_ASPEED=y
 CONFIG_JTAG_ASPEED_LEGACY_UIO=y
 # device driver
diff --git a/meta-facebook/meta-yosemite4/recipes-kernel/linux/linux-aspeed_%.bbappend b/meta-facebook/meta-yosemite4/recipes-kernel/linux/linux-aspeed_%.bbappend
index 62623af..c0248c3 100644
--- a/meta-facebook/meta-yosemite4/recipes-kernel/linux/linux-aspeed_%.bbappend
+++ b/meta-facebook/meta-yosemite4/recipes-kernel/linux/linux-aspeed_%.bbappend
@@ -1,2 +1,3 @@
-FILESEXTRAPATHS:prepend := "${THISDIR}/linux-aspeed:"
-SRC_URI += "file://yosemite4.cfg"
+FILESEXTRAPATHS:prepend := "${THISDIR}/linux-aspeed:${THISDIR}/../../../recipes-kernel/linux/files:"
+SRC_URI += "file://yosemite4-common.cfg \
+            file://yosemite4.cfg"