leodicarpaccio

Update tm_stm32_i2c_dma.c

2

Some corrections to at least compile the module

RCC_I2SCLKSOURCE_EXT has wrong value

2

The issue is really simple : in stm32f4xx_hal_rcc_ex.h, **the value of RCC_I2SCLKSOURCE_EXT is wrong**. - RCC_I2SCLKSOURCE_EXT must be equal to RCC_CFGR_I2SSRC (0x00800000) instead of 0x00000001. - __HAL_RCC_I2S_CONFIG macro must be...