board: Add support of STM32F143xG SOC

The only difference between the F413xH and F413xG is flash memory size.
STMF413xH: 1536 Kbytes
STMF413xG: 1024 Kbytes

Signed-off-by: Benoit Leforestier <benoit.leforestier@gmail.com>
6 files changed