test_asm: fix build on aarch64 systems
test_asm: fix build on aarch64 systems

Fixes the following compile errors:
- undefined reference to 'ngli_mat4_mul_aarch64'
- undefined reference to 'ngli_mat4_mul_vec4_aarch64'

gopro/gopro-lib-node.gl,gopro/gopro-lib-node.gl,gopro/gopro-lib-node.gl,gopro/gopro-lib-node.gl