radv,aco: implement 64-bit vertex inputs

radv,aco: implement 64-bit vertex inputs

Note that, from 22.4.1. Vertex Input Extraction of Vulkan spec:
The input variable in the shader must be declared as a 64-bit data type if
and only if format is a 64-bit data type.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17894>