The http://processors.wiki.ti.com EOL in january 2021

Fix the old URL with the new one.
Signed-off-by: Richard Genoud <richard.genoud@bootlin.com>
Link: https://lore.kernel.org/r/20240618150933.1824185-3-richard.genoud@bootlin.comSigned-off-by: Nishanth Menon <nm@ti.com>