irqchip: irq-gic-v3: Update printing wake up irq

Update gic_show_resume_irq() to ignore printing irq
details if irq is less than 32. Also update to print
irqchip name if the irq name is not available.

Change-Id: I17279ad38e96f71b6b322194f270068836ed601e
Signed-off-by: Minghao Zhang <minghao@codeaurora.org>
Signed-off-by: Maulik Shah <mkshah@codeaurora.org>