intmath.h: Remove duplicated ARM include.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
aacps_tablegen: replace TABLE_CONST by const.

Doesn't change generated code, just is more consistent
and a bit less error-prone.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>