meta-facebook: meta-yosemitev2: switch u-boot to 2019.04

Switching the u-boot branch from the 2016.07-aspeed-openbmc
to the 2019.04-aspeed-openbmc

Added the config file to modify the defconfig file from
the uboot-machine.
Removing the files related to the 2016.07-aspeed branch.

Tested: Tested in YosemiteV2 platform and Verified.

Signed-off-by: Logananth Sundararaj <logananth_s@hcl.com>
Change-Id: I2687d92bba5dcf7602440b3ae59113093e09e379
diff --git a/meta-facebook/meta-yosemitev2/recipes-bsp/u-boot/u-boot-aspeed-sdk_%.bbappend b/meta-facebook/meta-yosemitev2/recipes-bsp/u-boot/u-boot-aspeed-sdk_%.bbappend
new file mode 100644
index 0000000..e87a349
--- /dev/null
+++ b/meta-facebook/meta-yosemitev2/recipes-bsp/u-boot/u-boot-aspeed-sdk_%.bbappend
@@ -0,0 +1,4 @@
+FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
+SRC_URI +="file://0001-board-aspeed-Add-Mux-for-yosemitev2.patch"
+SRC_URI +="file://0002-spl-host-console-handle.patch"
+SRC_URI +="file://yosemitev2.cfg"