package/mesa3d: propagate missing libdrm-freedreno deps

Libdrm freedreno depends on BR2_arm || BR2_aarch64 || BR2_aarch64_be
as such we need to propagate those dependencies to mesa's gallium
freedreno driver.

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>