Update syscall numbers to 5.9-rc7

Fixes for prctl(), accept4() and xtensa
 -----BEGIN PGP SIGNATURE-----
 
 iQJGBAABCAAwFiEEzS913cjjpNwuT1Fz8ww4vT8vvjwFAl+XR5ASHGxhdXJlbnRA
 dml2aWVyLmV1AAoJEPMMOL0/L748liYP/j5YV8smHIK9gO3Vnn9tHAE82cgakyt+
 /GZUUUA8N5b3NQdNtHIiT3BMQFCESUiF3JPfcD+95CE4/yl9LW5fGFMygxb8e6U1
 BVei0Ggb69E5/+r+zWd1leGXa0t7ZHzLlOEwAjAwW4MQR3SXOYdM/q87HAbI6p/b
 wLOcJih5ZD3eCvC3XR99xfcWn0rIjDTuYgH9dXbEJxAHpaa/rH2auPU6i9DWxprn
 lgz8RsSFEfG9CJg/BLK+w3CtL9ndeSykFf/HO7GokHVzDM0mEKBpFWFx4y6Nkiq6
 Qaq0qj8jgZeQjWXog3YLrUna6EzkuHxmtbyOsfi9tdaqZay6xedDuREPfZ9GHHLT
 gdyX6tXVt3Qiot3P3P6RQwCU+iOMHpwRsaBnXJQnDkck7piNwUfWX5j6t8lqbWLB
 kKyTYRBLrhmxC9Tjq8dZZrQGXOrG38fkL+yg4S+xr7+ju9CKEtHk7Y4/knwkevIi
 gE1cuj9C0uhqGLoHZPYsawhFy6OMzuZQ5LaAEV7TH6cumSgLXbqWsw/xPoHtb3/1
 mE/vnOD1ArDAiInIVXImPUNF3I6pzSJR8IcKVW9BEMNjMZApMWVis65Owmyy0dic
 RSBF8WGUy4Xp9YLTXW1jQJWx9wHbqqN4cbQjzFLv+4ZDdjXHLYyjGGefhchUOJ+N
 Zvedbmlv0ROZ
 =7TIT
 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/vivier2/tags/linux-user-for-5.2-pull-request' into staging

Update syscall numbers to 5.9-rc7
Fixes for prctl(), accept4() and xtensa

# gpg: Signature made Mon 26 Oct 2020 22:02:56 GMT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/vivier2/tags/linux-user-for-5.2-pull-request:
  target/xtensa: enable all coprocessors for linux-user
  linux-user: correct errno returned from accept4() syscall
  linux-user: remove _sysctl
  linux-user: update syscall.tbl to Linux 5.9-rc7
  linux-user: update mips/syscall-args-o32.c.inc to Linux 5.9-rc7
  linux-user: update syscall_nr.h to Linux 5.9-rc7
  linux-user: Support f_flags in statfs64 when available.
  Fix stack smashing when handling PR_GET_PDEATHSIG

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

scripts/gensyscalls.sh

@@ -86,8 +86,7 @@ generate_syscall_nr()
     read_includes $arch $bits | filter_defines | rename_defines | \
                                 evaluate_values | sort -n -k 3
     echo
-    echo "#endif /* ${guard} */"
-    echo) > "$file"
+    echo "#endif /* ${guard} */") > "$file"
 }
 
 mkdir "$TMP/asm"