The current URL for the pico imx6ul board is not valid anymore. Change
to a different URL that works.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
the user can go to step 2 below in order to update U-Boot.
Put pico board in USB download mode (refer to the document
-http://www.wandboard.org/images/hobbit/hobbitboard-imx6ul-reva1.pdf
-page 15).
+https://www.nxp.com/files-static/32bit/doc/quick_start_guide/PICO-IMX6UL-QSG.pdf
+Figure 6a at page 7).
Connect a USB to serial adapter between the host PC and pico.