drm/i915: Fix the SCC/SSC typo in the SPLL bits definition

We're talking about Spread Spectrum Clocks here, thus SSC.

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index e79d0db..a78860a 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -814,7 +814,7 @@
 		WARN(I915_READ(reg) & SPLL_PLL_ENABLE,
 		     "SPLL already enabled\n");
 
-		val = SPLL_PLL_ENABLE | SPLL_PLL_FREQ_1350MHz | SPLL_PLL_SCC;
+		val = SPLL_PLL_ENABLE | SPLL_PLL_FREQ_1350MHz | SPLL_PLL_SSC;
 
 	} else {
 		WARN(1, "Invalid DDI encoder type %d\n", type);