boards: x86: remove qemu_x86_tiny_768

Having a board to just measure coverage for certain features is a bit of
any overkill. We will instead add overlays to the specific tests this
board mostly covers.

Signed-off-by: Anas Nashif <anas.nashif@intel.com>

boards/qemu/x86/board.yml

@@ -23,5 +23,3 @@ boards:
   - name: qemu_x86_tiny
     socs:
       - name: atom
-        variants:
-          - name: '768'

boards/qemu/x86/qemu_x86_tiny_atom_768.dts

@@ -1,12 +0,0 @@
-/*
- * Copyright (c) 2022-2024 Intel Corporation
- *
- * SPDX-License-Identifier: Apache-2.0
- */
-
-#include "qemu_x86_tiny.dts"
-
-/* Override with 768KB DRAM */
-&dram0 {
-	reg = < 0x100000 DT_SIZE_K(768) >;
-};

boards/qemu/x86/qemu_x86_tiny_atom_768.yaml

@@ -1,16 +0,0 @@
-identifier: qemu_x86_tiny/atom/768
-name: QEMU Emulation for X86 (small VM, 768KB DRAM)
-type: qemu
-arch: x86
-simulation: qemu
-toolchain:
-  - zephyr
-  - xtools
-testing:
-  default: true
-  only_tags:
-    - kernel
-    - userspace
-  ignore_tags:
-    - benchmark
-vendor: qemu

boards/qemu/x86/qemu_x86_tiny_atom_768_defconfig

@@ -1,10 +0,0 @@
-# Copyright (c) 2022-2024 Intel Corporation.
-#
-# SPDX-License-Identifier: Apache-2.0
-
-# Enable coverage regardless since this config for coverage only.
-CONFIG_COVERAGE=y
-
-# Need more stack space due to coverage being enabled.
-CONFIG_MAIN_STACK_SIZE=4096
-CONFIG_IDLE_STACK_SIZE=1024

tests/kernel/mem_protect/mem_map/boards/qemu_x86_tiny_768.overlay

@@ -1,3 +0,0 @@
-&dram0 {
-	reg = < 0x100000 0x100000 >;
-};