Set default Vector Table location

[lamik]

If User doesn't define USER_VECT_TAB_ADDRESS, Vector Table will never be set with current SystemInit() function. Interrupts won't work with such configuration.

Added #else option if User doesn't want to use own VTOR - just set the default.

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[ALABSTM]

Hi @lamik,

Thank you for this proposal. We are already working on a solution internally. I will keep you updated.

With regards,

[ALABSTM]

ST Internal Reference: 116475