sparc: fix v4.10-25-g8497b62 fallout
sparc: fix v4.10-25-g8497b62 fallout

Before:

$ sleep 3 & ./strace -p $!
Process 8703 attached
syscall: unknown syscall trap 1a800003 00025d58
syscall_516(0, 0x40080000, 0, 0xfc000f00, 0x28, 0xefc03b18) = 0
exit_group(0)                           = ?
+++ exited with 0 +++

After:

$ sleep 3 & ./strace -p $!
Process 8725 attached
restart_syscall(<... resuming interrupted nanosleep ...>) = 0
exit_group(0)                           = ?
+++ exited with 0 +++

Signed-off-by: Denys Vlasenko <50fbbd36fe0f9c8261d4a3c762c8c29ffb35e48f@redhat.com>

geekboxzone/mmallow_external_strace,Saruta/strace,MonkeyZZZZ/platform_external_strace,kapdop/android_external_strace,kapdop/android_external_strace,vrastogi/strace,geofft/strace,cuviper/strace,Distrotech/strace,geekboxzone/mmallow_external_strace,MonkeyZZZZ/platform_external_strace,TeamExodus/external_strace,vrastogi/strace,Yu-AndroidM/android_external_strace,cuviper/strace,bigzz/strace_android,Yu-AndroidM/android_external_strace,Yu-AndroidM/android_external_strace,AOSP-YU/platform_external_strace,bigzz/strace_android,bigzz/strace_android,Infinitive-OS/platform_external_strace,cuviper/strace,Distrotech/strace,geekboxzone/mmallow_external_strace,geofft/strace,kapdop/android_external_strace,bigzz/strace_android,geofft/strace,Infinitive-OS/platform_external_strace,kapdop/android_external_strace,TeamExodus/external_strace,Infinitive-OS/platform_external_strace,geekboxzone/mmallow_external_strace,Saruta/strace,AOSP-YU/platform_external_strace,YUPlayGodDev/platform_external_strace,kapdop/android_external_strace,MonkeyZZZZ/platform_external_strace,geofft/strace,Saruta/strace,YUPlayGodDev/platform_external_strace,TeamExodus/external_strace,Yu-AndroidM/android_external_strace,Saruta/strace,MonkeyZZZZ/platform_external_strace,AOSP-YU/platform_external_strace,Infinitive-OS/platform_external_strace,MonkeyZZZZ/platform_external_strace,AOSP-YU/platform_external_strace,TeamExodus/external_strace,Saruta/strace,AOSP-YU/platform_external_strace,cuviper/strace,vrastogi/strace,Yu-AndroidM/android_external_strace,YUPlayGodDev/platform_external_strace,Distrotech/strace,TeamExodus/external_strace,YUPlayGodDev/platform_external_strace,bigzz/strace_android,Distrotech/strace,geekboxzone/mmallow_external_strace,cuviper/strace,Infinitive-OS/platform_external_strace,Distrotech/strace,YUPlayGodDev/platform_external_strace,geofft/strace,vrastogi/strace,vrastogi/strace