s390x: use the new PSW and PSW_WITH_CUR_MASK macros

Use the new macros in the existing code. No functional changes intended.

Reviewed-by: Janis Schoetterl-Glausch <scgl@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Link: https://lore.kernel.org/r/20221130154038.70492-3-imbrenda@linux.ibm.com


Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Message-Id: <20221130154038.70492-3-imbrenda@linux.ibm.com>