matrix: Inline more functions
matrix: Inline more functions

Instead of calling into public graphene_matrix_t and graphene_vec[234]_t
API we can try and use graphene_simd4x4f_t and graphene_simd4f_t
functions, which get inlined and avoid intra-library calls.

criptych/graphene,ebassi/graphene,ebassi/graphene,criptych/graphene,criptych/graphene,criptych/graphene