[PATCH] ARM: riscpc: convert to sparse IRQs

[Ethan Nelson-Moore]

On Sat, May 9, 2026 at 8:47 PM Ethan Nelson-Moore
<enelsonmoore at gmail.com> wrote:
> This commit depends on my previous submission "ARM: <asm/floppy.h>: fix
> build with sparse IRQs".

It also depends on these commits, which I neglected to mention,
because it modifies the same sections of code:
ARM: riscpc: use iomd.h everywhere and remove redundant ioc.h header
ARM: move Risc PC-specific <asm/hardware/iomd.h> header into mach-rpc