Pull up revision 1.6 of rpi_machdep.c to fix ticket #813.
Fix the revision list for ticket 813.
Apply revision 1.15 via patch as part of a fix for ticket 818.
Adjust entry for ticket 818.
Clean up trailing CRs accidentally introduced during the ticket 813
pullup.
Pull up revisions:
  src/usr.bin/nbperf/nbperf-bdz.c revision 1.7
  src/usr.bin/nbperf/nbperf.1 revision 1.6
  src/usr.bin/nbperf/nbperf.c revision 1.5
  src/usr.bin/nbperf/nbperf.h revision 1.4
(requested by joerg in ticket #819).

bdz -> bpz to match the initials of the authors.
Pull up revisions:
  src/sys/dev/pci/if_wm.c revision 1.243
  src/sys/dev/pci/if_wmvar.h revision 1.14
(requested by msaitoh in ticket #820).

Use 82580(and I350) specific PHY read/write functions.
Fixes PR#47542.
Pull up revision 1.15 (requested by martin in ticket #821).

 We have an implicit 1 MSB bit in the mantissa. Pointed out by Matt Thomas.
 Fixes PR port-sparc64/47536.
Pull up revisions:
  src/sys/kern/uipc_socket.c revision 1.213
  src/sys/kern/uipc_syscalls.c revision 1.160
(requested by christos in ticket #822).

PR/47569: Valery Ushakov: SOCK_NONBLOCK does not work because it does not
set SS_NBIO.
XXX: there are too many flags that mean the same thing in too many places=
,
and too many flags that mean the same thing and are different.
Tickets #819 to #822.
Commit another file missed from ticket 813. (Raspberry Pi support)
Adjust the ticket 813 entry.
Fix a locking error in the last commit for ticket #813.
Ticket #813.