fix: DisplayUart2: Use proper type for baudRate

Within the whole system, uint32_t is used for the baudrate. We should do
the same here to avoid implicit type conversions.

Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>

source/ti/display/DisplayUart2.h

@@ -153,7 +153,7 @@ typedef struct
     /*! Index of uart in UART_config[] */
     unsigned int uartIdx;
     /*! Baud rate for uart */
-    unsigned int baudRate;
+    uint32_t baudRate;
     /*! Timeout for acquiring semaphore */
     unsigned int mutexTimeout;
     /*! Buffer for formatting messages */