drm/i915/skl: Remove unnecessary () used with div_u64()

div_u64() can be either a inline function or a define, but in either
case it's safe to provide expressions as parameters without outer ()
around them.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_ddi.c

@@ -1178,10 +1178,10 @@ static void skl_wrpll_params_populate(struct skl_wrpll_params *params,
 	 * Intermediate values are in Hz.
 	 * Divide by MHz to match bsepc
 	 */
-	params->dco_integer = div_u64(dco_freq, (24 * MHz(1)));
+	params->dco_integer = div_u64(dco_freq, 24 * MHz(1));
 	params->dco_fraction =
-		div_u64(((div_u64(dco_freq, 24) -
-			  params->dco_integer * MHz(1)) * 0x8000), MHz(1));
+		div_u64((div_u64(dco_freq, 24) -
+			 params->dco_integer * MHz(1)) * 0x8000, MHz(1));
 }
 
 static bool