Revert "arm64: dts: imx8mp: Drop simple-bus from fsl,imx8mp-media-blk-ctrl"

Revert "arm64: dts: imx8mp: Drop simple-bus from fsl,imx8mp-media-blk-ctrl"

This reverts commit bd2573ee0f91c0e6d2bee8599110453e2909060e which is
commit 5a51e1f2b083423f75145c512ee284862ab33854 upstream.

Marc writes:
	can you please revert this patch, without the corresponding driver patch
	[1] it breaks probing of the device, as no one populates the sub-nodes.

	[1] 9cb6d1b39a8f ("soc: imx: imx8m-blk-ctrl: Scan subnodes and bind
	drivers to them")

Reported-by: Marc Kleine-Budde <mkl@pengutronix.de>
Link: https://lore.kernel.org/r/20230523-justly-situated-317e792f4c1b-mkl@pengutronix.de
Cc: Alexander Stein <alexander.stein@ew.tq-group.com>
Cc: Liu Ying <victor.liu@nxp.com>
Cc: Alexander Stein <alexander.stein@ew.tq-group.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>