irqchip/irq-pruss-intc: Simplify chained interrupt handler setup

The chained interrupt handler setup installs the handler and handler data
with two function call.s

irq_set_chained_handler_and_data() can set both in one operation. Replace
the two calls with one.

Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250515083450.3811411-1-nichen@iscas.ac.cn