bc75b09b1c
The commit [1] updated the u-boot version with the one used by
orangepi_zero_plus2_defconfig but the dependency on openssl
was forgotten.
Fixes:
https://gitlab.com/buildroot.org/buildroot/-/jobs/6703221868
[1] eb16148ddd
Signed-off-by: Romain Naour <romain.naour@smile.fr>