Fixing a broken link to MLPlatform.org
Fixing a broken link to MLPlatform.org

Signed-off-by: Brian Joyce <ce254d920421b0c47db37e305d954025e82852d7@arm.com>
Change-Id: Ie9e8ba683f4475af15db37f1949a330132055561

ARM-software/armnn,ARM-software/armnn,ARM-software/armnn