sh: roll back Ecovec24/7724se Sound support
Due to a communication miss, the Ecovec24/7724se Sound support
were removed. We need to keep them for a while, until they will
support "DT-style".
Roll back Ecovec24/7724se "platform data style", and its necessary header.
Fixes: deadb855b694d ("sh: 7724se: remove FSI/AK4642/Simple-Audio-Card support")
Fixes: 9cc93ebc85e71 ("sh: ecovec24: remove FSI/DA7210/Simple-Audio-Card support")
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87v7br43vk.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>