dts: renesas: ra: Fix interrupt numbers bug for ra4w1

- Update the overlapping irq number between port_irq4 and spi1
- Remove irq number for sci9 as it exceeds the limit (32 irq numbers)
Now users will define the irq numbers themselves

Signed-off-by: Quy Tran <quy.tran.pz@renesas.com>