meta-amd: Remove device tree patch

Remove the EthanolX device tree patch as it has been upstreamed and
included as part of OpenBMC Linux Aspeed Kernel.
Also, enable CONFIG_I2C_ASPEED configuration for EthanolX customer
reference boards.

Change-Id: I92b90d6796479d48906cc48ad9e18577dc82a662
Signed-off-by: Supreeth Venkatesh <supreeth.venkatesh@amd.com>
diff --git a/meta-ethanolx/recipes-kernel/linux/linux-aspeed_%.bbappend b/meta-ethanolx/recipes-kernel/linux/linux-aspeed_%.bbappend
index badfe07..3cf8bd2 100644
--- a/meta-ethanolx/recipes-kernel/linux/linux-aspeed_%.bbappend
+++ b/meta-ethanolx/recipes-kernel/linux/linux-aspeed_%.bbappend
@@ -1,3 +1,3 @@
 FILESEXTRAPATHS_prepend := "${THISDIR}/linux-aspeed:"
 SRC_URI += "file://ethanolx.cfg \
-            file://0001-ARM-dts-aspeed-Initial-device-tree-for-AMD-EthanolX.patch"
+           "