ARM: brcmstb: fix typos in comments

Various spelling mistakes in comments.
Detected with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

Author: JuliaLawall

arch/arm/mach-bcm/platsmp-brcmstb.c

@@ -59,7 +59,7 @@ static u32 hif_cont_reg;
 /*
  * We must quiesce a dying CPU before it can be killed by the boot CPU. Because
  * one or more cache may be disabled, we must flush to ensure coherency. We
- * cannot use traditionl completion structures or spinlocks as they rely on
+ * cannot use traditional completion structures or spinlocks as they rely on
  * coherency.
  */
 static DEFINE_PER_CPU_ALIGNED(int, per_cpu_sw_state);