drm/i915/dp: Remove support for UHBR13.5

UHBR13.5 is not supported in MTL and also the DP2.1 spec says UHBR13.5
is optional. Hence removing UHBR135 from the supported link rates.

v2: Reframed the commit message and added link to the issue.

Signed-off-by: Arun R Murthy <arun.r.murthy@intel.com>
Fixes: 62618c7 ("drm/i915/mtl: C20 PLL programming")
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240228144350.3184930-1-arun.r.murthy@intel.com
(cherry picked from commit ddf8a8b)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

drivers/gpu/drm/i915/display/intel_dp.c

@@ -499,7 +499,7 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp)
 	/* The values must be in increasing order */
 	static const int mtl_rates[] = {
 		162000, 216000, 243000, 270000, 324000, 432000, 540000, 675000,
-		810000,	1000000, 1350000, 2000000,
+		810000,	1000000, 2000000,
 	};
 	static const int icl_rates[] = {
 		162000, 216000, 270000, 324000, 432000, 540000, 648000, 810000,