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/yosemitev2.cfg b/meta-facebook/meta-yosemitev2/recipes-bsp/u-boot/u-boot-aspeed-sdk/yosemitev2.cfg
new file mode 100644
index 0000000..6cc537e
--- /dev/null
+++ b/meta-facebook/meta-yosemitev2/recipes-bsp/u-boot/u-boot-aspeed-sdk/yosemitev2.cfg
@@ -0,0 +1,5 @@
+CONFIG_USE_BOOTARGS=y
+CONFIG_BOOTARGS="console=ttyS4,57600n8 root=/dev/ram rw"
+CONFIG_USE_BOOTCOMMAND=y
+CONFIG_BOOTCOMMAND="bootm 20080000"
+CONFIG_BAUDRATE=57600