s390/idle: remove raw_local_irq_save()/restore() from arch_cpu_idle()

arch_cpu_idle() gets called with interrupts disabled,
and psw_idle() returns with interrupts disabled.
No reason to use raw_local_irq_save() / restore().

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
This commit is contained in:
Heiko Carstens 2020-12-14 22:36:03 +01:00
commit 7494755a9a