Update i2c mapping and i2c clock source

i2c4 was mapped incorrectly and i2c4 clock source wasn't present.

boards/mro/ctrl-zero-h7-oem/nuttx-config/include/board.h

@@ -186,7 +186,7 @@
 /* Kernel Clock Configuration
  *  Note: look at Table 54 in ST Manual
  */
-#define STM32_RCC_D2CCIP2R_I2C123SRC RCC_D2CCIP2R_I2C123SEL_HSI  /* I2C123 clock source */
+#define STM32_RCC_D2CCIP2R_I2C123SRC RCC_D2CCIP2R_I2C1234SEL_HSI  /* I2C1234 clock source */
 #define STM32_RCC_D2CCIP1R_SPI123SRC RCC_D2CCIP1R_SPI123SEL_PLL2 /* SPI123 clock source */
 #define STM32_RCC_D2CCIP1R_SPI45SRC  RCC_D2CCIP1R_SPI45SEL_PLL2  /* SPI45 clock source */
 #define STM32_RCC_D3CCIPR_SPI6SRC    RCC_D3CCIPR_SPI6SEL_PLL2    /* SPI6 clock source */
@@ -274,5 +274,5 @@
 #define GPIO_I2C3_SCL GPIO_I2C3_SCL_2       /* PH7 */
 #define GPIO_I2C3_SDA GPIO_I2C3_SDA_2       /* PH8 */
 
-#define GPIO_I2C4_SCL GPIO_I2C4_SCL_2       /* PF14 */
-#define GPIO_I2C4_SDA GPIO_I2C4_SDA_2       /* PF15 */
+#define GPIO_I2C4_SCL GPIO_I2C4_SCL_4       /* PB6 */
+#define GPIO_I2C4_SDA GPIO_I2C4_SDA_4       /* PB7 */