riscv: sophgo: dts: add gpio controllers for SG2042 SoC

Add support for the GPIO controller of Sophgo SG2042.

SG2042 uses IP from Synopsys DesignWare APB GPIO and has
three GPIO controllers.

Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Link: https://lore.kernel.org/r/20240819080851.1954691-1-unicornxw@gmail.com


Signed-off-by: Inochi Amaoto <inochiama@outlook.com>