Revert "product: Remove MusicFX, we have DSPManager"

This reverts commit 6d3da301a20f2b1feca0e887deb61e2c8652d04d.
Revert "Generic target: Don't build Music, we have Apollo"

This reverts commit cc8d3b72d09b7421e58d1845bc0235ccb4250fe5.
core/Makefile: make sure we name our zip correctly