memory: omap-gpmc: Fix whitespace issue

Fix minor whitespace and comment issues.  No functional changes.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

drivers/memory/omap-gpmc.c

@@ -1754,10 +1754,11 @@ static int gpmc_calc_common_timings(struct gpmc_timings *gpmc_t,
 	return 0;
 }
 
-/* TODO: remove this function once all peripherals are confirmed to
+/*
+ * TODO: remove this function once all peripherals are confirmed to
  * work with generic timing. Simultaneously gpmc_cs_set_timings()
  * has to be modified to handle timings in ps instead of ns
-*/
+ */
 static void gpmc_convert_ps_to_ns(struct gpmc_timings *t)
 {
 	t->cs_on /= 1000;