[compute_unit_v2] Added compute_unit_v2 target

.vscode/c_cpp_properties.json

CMakeLists.txt

cmake/boards.cmake

...ps/stm32f767zi_compute_unit_v2/config/board_options.cmake

...f767zi_compute_unit_v2/config/board_options_no_xram.cmake

src/bsps/stm32f767zi_compute_unit_v2/config/board_settings.h

...bsps/stm32f767zi_compute_unit_v2/config/miosix_settings.h

src/bsps/stm32f767zi_compute_unit_v2/core/stage_1_boot.cpp

...7zi_compute_unit_v2/interfaces-impl/arch_registers_impl.h

src/bsps/stm32f767zi_compute_unit_v2/interfaces-impl/bsp.cpp

...ps/stm32f767zi_compute_unit_v2/interfaces-impl/bsp_impl.h

src/bsps/stm32f767zi_compute_unit_v2/stm32_2m+32m_xram.ld

src/bsps/stm32f767zi_compute_unit_v2/stm32_2m+384k_ram.ld

src/entrypoints/compute-unit-v2-testsuite.cpp