target STM32F303CC has wrong RAM size

[JojoS62]

Description of defect

mbed-os/targets/TARGET_STM/TARGET_STM32F3/TARGET_STM32F303xC/cmsis_nvic.h

Line 33 in 1dd0bce

#define MBED_RAM_SIZE 0xc000 // 48 KB

this MCU has 40 kB RAM in this region, not 48 kB. This leads to setting the stackpointer into nirvana and the target fails to start and even crashes gdb.
The setting is als wrong in the ARM pack manager IRAM1 section.

Target(s) affected by this defect ?

targets that depend on this MCU, STM32F303CC

Toolchain(s) (name and version) displaying this defect ?

n/a
all, RAM_SIZE is used in gcc, arm, iar

What version of Mbed-os are you using (tag or sha) ?

mbed-os-6.16.0

What version(s) of tools are you using. List all that apply (E.g. mbed-cli)

n/a

How is this defect reproduced ?

n/a

[mbedmain]

@JojoS62 thank you for raising this issue.Please take a look at the following comments:

It would help if you could also specify the versions of any tools you are using?
How can we reproduce your issue?

NOTE: If there are fields which are not applicable then please just add 'n/a' or 'None'. This indicates to us that at least all the fields have been considered.
Please update the issue header with the missing information.

[jeromecoutant]

Hi

The setting is als wrong in the ARM pack manager IRAM1 section.

I confirm: wrong info in keil pack => wrong info in ARM pack manager IRAM1 mbed section => wrong info in cmsis_nvic.h file

I am correcting this now