OS-2366 ddi_periodic_add(9F) is entirely rubbish

@@ -3503,11 +3503,11 @@
 f usr/include/sys/ddi_implfuncs.h 0644 root bin
 f usr/include/sys/ddi_intr.h 0644 root bin
 f usr/include/sys/ddi_intr_impl.h 0644 root bin
 f usr/include/sys/ddi_isa.h 0644 root bin
 f usr/include/sys/ddi_obsolete.h 0644 root bin
-f usr/include/sys/ddi_timer.h 0644 root bin
+f usr/include/sys/ddi_periodic.h 0644 root bin
 f usr/include/sys/ddidevmap.h 0644 root bin
 f usr/include/sys/ddidmareq.h 0644 root bin
 f usr/include/sys/ddifm.h 0644 root bin
 f usr/include/sys/ddifm_impl.h 0644 root bin
 f usr/include/sys/ddimapreq.h 0644 root bin