drm/xe: Remove uninitialized end var from xe_gt_tlb_invalidation_range()

This fixes commit c4f18703 ("drm/xe: Add
xe_gt_tlb_invalidation_range and convert PT layer to use this")
which added the end variable as part of the function param.

v2: Add fixes tag(Matt)

Fixes: c4f18703 ("drm/xe: Add xe_gt_tlb_invalidation_range and convert PT layer to use this")
Cc: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240429203039.26918-1-nirmoy.das@intel.comSigned-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c

@@ -305,7 +305,7 @@ int xe_gt_tlb_invalidation_range(struct xe_gt *gt,
 	} else {
 		u64 orig_start = start;
 		u64 length = end - start;
-		u64 align, end;
+		u64 align;
 
 		if (length < SZ_4K)
 			length = SZ_4K;