boards: arm: add ubx_bmd340eval_nrf52840

Add support for BMD-340-EVAL board from u-blox AG
Corrected reset pin number in index.rst

Signed-off-by: Bob Recny <bob.recny@u-blox.com>

Author: Bob Recny

boards/arm/ubx_bmd340eval_nrf52840/Kconfig

@@ -0,0 +1,10 @@
+# BMD-340-EVAL board configuration
+
+# Copyright (c) 2021 u-blox AG
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_ENABLE_DCDC
+	bool "Enable DCDC mode"
+	select SOC_DCDC_NRF52X
+	default y
+	depends on BOARD_UBX_BMD340EVAL_NRF52840

boards/arm/ubx_bmd340eval_nrf52840/Kconfig.board

@@ -0,0 +1,8 @@
+# BMD-340-EVAL board configuration
+
+# Copyright (c) 2021 u-blox AG
+# SPDX-License-Identifier: Apache-2.0
+
+config BOARD_UBX_BMD340EVAL_NRF52840
+	bool "u-blox BMD-340-EVAL"
+	depends on SOC_NRF52840_QIAA

boards/arm/ubx_bmd340eval_nrf52840/Kconfig.defconfig

@@ -0,0 +1,24 @@
+# BMD-340-EVAL board configuration
+
+# Copyright (c) 2021 u-blox AG
+# SPDX-License-Identifier: Apache-2.0
+
+if BOARD_UBX_BMD340EVAL_NRF52840
+
+config BOARD
+	default "ubx_bmd340eval_nrf52840"
+
+if USB
+
+config USB_NRFX
+	default y
+
+config USB_DEVICE_STACK
+	default y
+
+endif # USB
+
+config BT_CTLR
+	default BT
+
+endif # BOARD_UBX_BMD340EVAL_NRF52840

boards/arm/ubx_bmd340eval_nrf52840/board.cmake

@@ -0,0 +1,12 @@
+# BMD-340-EVAL board configuration
+
+# Copyright (c) 2021 u-blox AG
+# SPDX-License-Identifier: Apache-2.0
+
+board_runner_args(nrfjprog "--nrf-family=NRF52")
+board_runner_args(jlink "--device=nrf52" "--speed=4000")
+board_runner_args(pyocd "--target=nrf52840" "--frequency=4000000")
+include(${ZEPHYR_BASE}/boards/common/nrfjprog.board.cmake)
+include(${ZEPHYR_BASE}/boards/common/jlink.board.cmake)
+include(${ZEPHYR_BASE}/boards/common/pyocd.board.cmake)
+include(${ZEPHYR_BASE}/boards/common/openocd-nrf5.board.cmake)