drm/nouveau/devinit: move simple pll setting routines to devinit

These are pretty much useless for reclocking purposes.  Lets make it
clearer what they're for and move them to DEVINIT to signify they're
for the very simple PLL setting requirements of running the init
tables.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
index 6a38402..8b42f45 100644
--- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c
@@ -34,9 +34,9 @@
 #include <subdev/bios/disp.h>
 #include <subdev/bios/init.h>
 #include <subdev/bios/pll.h>
+#include <subdev/devinit.h>
 #include <subdev/timer.h>
 #include <subdev/fb.h>
-#include <subdev/clock.h>
 
 #include "nv50.h"
 
@@ -987,10 +987,10 @@
 static void
 nv50_disp_intr_unk20_1(struct nv50_disp_priv *priv, int head)
 {
-	struct nouveau_clock *clk = nouveau_clock(priv);
+	struct nouveau_devinit *devinit = nouveau_devinit(priv);
 	u32 pclk = nv_rd32(priv, 0x610ad0 + (head * 0x540)) & 0x3fffff;
 	if (pclk)
-		clk->pll_set(clk, PLL_VPLL0 + head, pclk);
+		devinit->pll_set(devinit, PLL_VPLL0 + head, pclk);
 }
 
 static void