port-hppa/57261: hppa should be converted to __HAVE_SYSCALL_INTERN so the #ifdef can be G/C'd

[thorpej%me.com@localhost]

>Number:         57261
>Category:       port-hppa
>Synopsis:       hppa should be converted to __HAVE_SYSCALL_INTERN so the #ifdef can be G/C'd
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-hppa-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Mar 07 04:55:00 +0000 2023
>Originator:     Jason Thorpe
>Release:        NetBSD-10
>Organization:
RISCy Business
>Environment:
NetBSD-10
>Description:
The hppa port appears to be the only one remaining to be switched over to __HAVE_SYSCALL_INTERN.  It should be converted to the conditional can be garbage-collected.
>How-To-Repeat:
N/A
>Fix:
Yes, please.