riscv: dts: sopgho: use SOC_PERIPHERAL_IRQ to calculate interrupt number

Since riscv and arm architecture use different interrupt definitions,
use a macro SOC_PERIPHERAL_IRQ mask this difference.

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Link: https://lore.kernel.org/r/20250430012654.235830-5-inochiama@gmail.com


Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>