parisc: Rewrite arch_cpu_idle_dead() for CPU hotplugging

Let the PDC firmware put the CPU into firmware idle loop with the
pdc_cpu_rendezvous() function.

Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
Helge Deller 2022-03-25 14:27:21 +01:00
commit 98903688e6