Newer versions of U-Boot (2024.10 and newer) will require the GnuTLS library to be installed on the host machine to build the mkeficapsule tool for U-Boot's image packaging phase to generate the final capsule for all the boot images including the tiboot3.bin image. Add host-gnutls to the list of dependencies. Fixes: https://gitlab.com/buildroot.org/buildroot/-/jobs/8723483578 (ti_am62x_sk_defconfig) Signed-off-by: Bryan Brattlof <bb@ti.com> Signed-off-by: Romain Naour <romain.naour@smile.fr>