Fix build matrix for STM32 targets
Fix build matrix for STM32 targets

Signed-off-by: josesimoes <1616ff7a83d123f98f8f38fa2524eab406644781@eclo.solutions>

nanoframework/nf-interpreter,Eclo/nf-interpreter,Eclo/nf-interpreter,nanoframework/nf-interpreter,Eclo/nf-interpreter,nanoframework/nf-interpreter,nanoframework/nf-interpreter,Eclo/nf-interpreter