fix(Documentation): MAX32690 Hello_World add note on UART (#1159)

Signed-off-by: Kevin Townsend <[email protected]>

Author: microbuilder

Examples/MAX32690/Hello_World/README.md

@@ -31,6 +31,8 @@ If using the AD-APARD32690-SL:
 -   Connect a USB cable between the PC and the P10 (USB-C) connector.
 -   Connect a MAXPICO Debug adapter to P9 (SWD Connector)
 -   Open a terminal application on the PC and connect to the MAXPICO's console UART at 115200, 8-N-1.
+-   Note: Non MAXPICO emulators may not route the UART signals to the SWD
+    connector, limiting your ability to access to serial port.
 
 ## Expected Output