feat(mediatek) : add/remove build configs

add mt8195 build config and remove mt6795 build config as this platform
is deprecated now

Signed-off-by: Manish Pandey <manish.pandey2@arm.com>
Change-Id: Ie05e79773beeb4b6efd1fe32b906da635ba34d9c
diff --git a/group/tf-l1-build-plat/mt8195-default:nil b/group/tf-l1-build-plat/mt8195-default:nil
new file mode 100644
index 0000000..33f3ae7
--- /dev/null
+++ b/group/tf-l1-build-plat/mt8195-default:nil
@@ -0,0 +1,6 @@
+#
+# Copyright (c) 2021, Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
diff --git a/tf_config/mt6795-default b/tf_config/mt6795-default
deleted file mode 100644
index cb50de2..0000000
--- a/tf_config/mt6795-default
+++ /dev/null
@@ -1,2 +0,0 @@
-CROSS_COMPILE=aarch64-none-elf-
-PLAT=mt6795
diff --git a/tf_config/mt8195-default b/tf_config/mt8195-default
new file mode 100644
index 0000000..5958ed7
--- /dev/null
+++ b/tf_config/mt8195-default
@@ -0,0 +1,3 @@
+COREBOOT=1
+CROSS_COMPILE=aarch64-none-elf-
+PLAT=mt8195