Embedded Linux: details about the 2 USB cables

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>

slides/sysdev-shopping-list-stm32/sysdev-shopping-list-stm32.tex

@@ -6,8 +6,8 @@
     \begin{itemize}
       \item STMicroelectronics STM32MP157D-DK1 Discovery kit -
         Available from Mouser (65 EUR + VAT)
-      \item USB-C Cable
-      \item Micro USB Cable
+      \item USB-C cable for the power supply
+      \item USB-A to micro B cable for the serial console
       \item A standard USB audio headset. We're using Logitech USB H340
 	    (\url{https://support.logitech.com/en_us/product/usb-headset-h340})
       \item A micro SD card with at least 128 MB of capacity