ARM: dts: iwg22d-sodimm: Fix dt nodes sorting

Some r8a7745-iwg22d-sodimm.dts device nodes are not sorted alphabetically.
This patch fixes the sorting of nodes and also fixes a typo in the stmpe
node.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20200805142634.12252-1-biju.das.jz@bp.renesas.com


Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>