The boards where renamed, but BUILD_DEVICES was not adapted. This
variable points to the board name. Without this change the u-boot
binaries are not selected in the configuration.
Copy the u-boot binaries under the BUILD_DEVICES name as it is expected
by the image scripts.
Fixes: 33e23e8922ce ("build: d1: add SUPPORTED_DEVICES")
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
(cherry picked from commit af6c1f9497210edf06f2973465fff8563343ad22)