I wonder whether Open Source libraries used within firmware burnt (in flash or ROM) in an IC that is sold to customers building products with it requires the final manufacturer to give credits (attribution) to the OSS project.
Perhaps this is better described with an example:
IC Manufacturer A builds a new chip that contains an Open Source SPI library licensed under the 3-clause BSD license. Manufacturer A credits the OSS project on its webpage.
Product Manufacturer B buys a reel of those chips and manufactures a new toy that contains the chip on the motherboard.
Is Manufacturer B also obliged to credit the OSS project, even though it only indirectly redistributed the SPI library in binary form?