A missing newline in the WARN_TAINT_ONCE string results in ugly and
somewhat difficult to read output in the case of a sanity check failure,
as the next print does not appear on a new line:
  Unsupported CPU feature variation.Modules linked in:
This patch adds the missing newline, fixing the output formatting.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
         * pretend to support them.
         */
        WARN_TAINT_ONCE(diff, TAINT_CPU_OUT_OF_SPEC,
-                       "Unsupported CPU feature variation.");
+                       "Unsupported CPU feature variation.\n");
 }
 
 static void __cpuinfo_store_cpu(struct cpuinfo_arm64 *info)