Revert "change SDL 1.2 to SDL 2.0"
This reverts commit
c86fd7d0a076c88d5f7e554b4cb8b76a59df435f.
Change-Id: I4b5110c7eecaaa669f40c57d31debde68d0760fb
Allow SDL build into pure wayland profile.
Change-Id: I6e4c68055de5c836769c6e49a1c9bc79854f8b5e
Signed-off-by: Ronan Le Martret <ronan@fridu.net>