clk: sunxi-ng: Add N-K-factor clock support

Introduce support for clocks that use a combination of two linear
multipliers.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Link: lkml.kernel.org/r/20160629190535.11855-10-maxime.ripard@free-electrons.com
diff --git a/drivers/clk/sunxi-ng/Makefile b/drivers/clk/sunxi-ng/Makefile
index 501dec9..22951e6 100644
--- a/drivers/clk/sunxi-ng/Makefile
+++ b/drivers/clk/sunxi-ng/Makefile
@@ -10,4 +10,5 @@
 obj-$(CONFIG_SUNXI_CCU_PHASE)	+= ccu_phase.o
 
 # Multi-factor clocks
+obj-$(CONFIG_SUNXI_CCU_NK)	+= ccu_nk.o
 obj-$(CONFIG_SUNXI_CCU_MP)	+= ccu_mp.o