math: Consolidate acospif and asinpif internal tables

math: Consolidate acospif and asinpif internal tables

The libm size improvement built with gcc-14, "--enable-stack-protector=strong
--enable-bind-now=yes --enable-fortify-source=2":

Before:

   text    data     bss     dec     hex filename
 583444     844      12  584300   8ea6c aarch64-linux-gnu/math/libm.so
 976349    1076      12  977437   eea1d x86_64-linux-gnu/math/libm.so
1204738    5608     368 1210714  12795a powerpc64le-linux-gnu/math/libm.so

After:

 582292     844      12  583148   8e5ec aarch64-linux-gnu/math/libm.so
 975133    1076      12  976221   ee55d x86_64-linux-gnu/math/libm.so
1203586    5608     368 1209562  1274da powerpc64le-linux-gnu/math/libm.so
Reviewed-by: Andreas K. Huettel <dilfridge@gentoo.org>