boards: tcc: topst_vcp45: add Telechips' TOPST-VCP45 board and basic device driver

boards/tcc/index.rst

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+.. _boards-tcc:
+
+Telechips, Inc.
+######################
+
+.. toctree::
+   :maxdepth: 1
+   :glob:
+
+   **/*

boards/tcc/topst_vcp45/Kconfig.defconfig

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+# Copyright 2024 Hounjoung Rim <hounjoung@tsnlab.com>
+# SPDX-License-Identifier: Apache-2.0
+
+if BOARD_TOPST_VCP45
+
+config BUILD_OUTPUT_BIN
+	default y
+
+config USERSPACE
+	default y
+
+config MAX_THREAD_BYTES
+	default 3
+
+config BOUNDS_CHECK_BYPASS_MITIGATION
+	default y
+
+endif # BOARD_TOPST_VCP45

boards/tcc/topst_vcp45/Kconfig.topst_vcp45

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+# Copyright 2024 Hounjoung Rim <hounjoung@tsnlab.com>
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_TOPST_VCP45
+	select SOC_TCC7045

boards/tcc/topst_vcp45/board.yml

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+board:
+  name: topst_vcp45
+  vendor: tcc
+  socs:
+  - name: tcc7045