kernel/Makefile: add wr_nic/pps.o

Signed-off-by: Alessandro Rubini <rubini@gnudd.com>

kernel/Makefile

@@ -28,6 +28,7 @@ wr-nic-y += wr_nic/endpoint.o
 wr-nic-y += wr_nic/ethtool.o
 wr-nic-y += wr_nic/nic-core.o
 wr-nic-y += wr_nic/timestamp.o
+wr-nic-y += wr_nic/pps.o
 wr-nic-$(CONFIG_GPIOLIB) += wr-nic-gpio.o