pps: add kernel consumer support

Add an optional feature of PPSAPI, kernel consumer support, which uses the
added hardpps() function.

Signed-off-by: Alexander Gordeev <lasaine@lvk.cs.msu.su>
Acked-by: Rodolfo Giometti <giometti@linux.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/pps/Makefile b/drivers/pps/Makefile
index 98960dd..77c23457 100644
--- a/drivers/pps/Makefile
+++ b/drivers/pps/Makefile
@@ -3,6 +3,7 @@
 #
 
 pps_core-y			:= pps.o kapi.o sysfs.o
+pps_core-$(CONFIG_NTP_PPS)	+= kc.o
 obj-$(CONFIG_PPS)		:= pps_core.o
 obj-y				+= clients/