Update NUCLEO_H743ZI2.cmake

Update NUCLEO_L432KC.cmake

Add Cmake config for Nucleo-H743ZI2 into upload methods

Add Cmake config for Nucleo-L432KC into upload methods

Oops, missed a file

Change linker script handling logic to use only one linker script target

Update of cmake config files for ST targets - ST-link issue

Fix event queue being stuck in non-RTOS mode, causing all sorts of weird behavior

Add Cmake config for Nucleo-F303RE into upload methods

Fix OpenOCD not working for L452RE, fix running tests with a non-default baudrate set, add warning about old stlink versions which may not work

Summary of changes: ...

This PR adds the cmake config for upload method of Nucleo-F446RE
All methods have been tested (only for flash), but for soem reason ST-link metho is not stable.

Update NUCLEO_F767ZI.cmake ...

J-LINK (ST-link with J-link firmware) tested successfully.

Add Cmake config for Nucleo-F767ZI into upload methods

Silence noisy print, fix bug with MBED upload method not working

Install mbed os tools by default so that MBED upload works out of the box

Move UploadMethods.md to wiki, add install path guessing to Findstlink for Windows

Switch to cortex-debug plugin for VS Code to improve debugging experience

Add in mbed-cmake's configuration generators

Oops fix tabs

Disable mbed semihosting interface in tests, so as not to mess up their timing

Clean up detection of failed generation / missing include file

Actually build in test_building_multiple_executables.yml

Fix paths in test_building_multiple_executables.yml

MBED_APP_JSON_PATH should no longer be required, as some projects don't need it

Update CI scripts to not use mbedtools configure

Remove not currently used Mbed CI scripts

Add automatic execution of mbedtools configure

Update readme to show that this is Mbed CE, and update templates to show that this is no longer an automated system

Add SingletonPtr.cpp to unittests source

Fix typo in yaml