STM32: HAL update, use I2C function instead of MACRO

Following HAL update, this is needed to use the I2C API function
rather than previously used MACRO.

An assert would fail at compilation time otherwise.

Author: LMESTM

targets/TARGET_STM/i2c_api.c

@@ -366,22 +366,22 @@ void i2c_frequency(i2c_t *obj, int hz)
     if (hz == 1000000) {
 #if defined(I2C1_BASE) && defined(__HAL_SYSCFG_FASTMODEPLUS_ENABLE) && defined (I2C_FASTMODEPLUS_I2C1)
         if (obj_s->i2c == I2C_1) {
-            __HAL_SYSCFG_FASTMODEPLUS_ENABLE(I2C_FASTMODEPLUS_I2C1);
+            HAL_I2CEx_EnableFastModePlus(I2C_FASTMODEPLUS_I2C1);
         }
 #endif
 #if defined(I2C2_BASE) && defined(__HAL_SYSCFG_FASTMODEPLUS_ENABLE) && defined (I2C_FASTMODEPLUS_I2C2)
         if (obj_s->i2c == I2C_2) {
-            __HAL_SYSCFG_FASTMODEPLUS_ENABLE(I2C_FASTMODEPLUS_I2C2);
+            HAL_I2CEx_EnableFastModePlus(I2C_FASTMODEPLUS_I2C2);
         }
 #endif
 #if defined(I2C3_BASE) && defined(__HAL_SYSCFG_FASTMODEPLUS_ENABLE) && defined (I2C_FASTMODEPLUS_I2C3)
         if (obj_s->i2c == I2C_3) {
-            __HAL_SYSCFG_FASTMODEPLUS_ENABLE(I2C_FASTMODEPLUS_I2C3);
+            HAL_I2CEx_EnableFastModePlus(I2C_FASTMODEPLUS_I2C3);
         }
 #endif
 #if defined(I2C4_BASE) && defined(__HAL_SYSCFG_FASTMODEPLUS_ENABLE) && defined (I2C_FASTMODEPLUS_I2C4)
         if (obj_s->i2c == I2C_4) {
-            __HAL_SYSCFG_FASTMODEPLUS_ENABLE(I2C_FASTMODEPLUS_I2C4);
+            HAL_I2CEx_EnableFastModePlus(I2C_FASTMODEPLUS_I2C4);
         }
 #endif
     }