Enable test cases for:
{sqdmlal,sqdmlsl,sqdmull}{d_s_s[],s_h_h[]}
{sqdmlal,sqdmlsl,sqdmull}{d_s_s,s_h_h}
{sqdmlal,sqdmlsl,sqdmull}{2d_(2s_2s)/(4s_4s), 4s_(4h_4h)/(8h_8h)}
sqrdmulh 4s,2s,8h,4h (vector)


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14180 a5019735-40e9-0310-863c-91ae7b9d1cf9