sched/fair: Fix trivial typos in comments

 - 'load_icx' => 'load_idx'
 - 'calculcate_imbalance' => 'calculate_imbalance'

Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Cc: peterz@infradead.org
Link: http://lkml.kernel.org/r/1381685775-3544-1-git-send-email-kamalesh@linux.vnet.ibm.com
[ Also, don't capitalize 'idle' unnecessarily. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 8274679..4aa0b10 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -5206,7 +5206,7 @@
 /**
  * get_sd_load_idx - Obtain the load index for a given sched domain.
  * @sd: The sched_domain whose load_idx is to be obtained.
- * @idle: The Idle status of the CPU for whose sd load_icx is obtained.
+ * @idle: The idle status of the CPU for whose sd load_idx is obtained.
  *
  * Return: The load index.
  */
@@ -5412,7 +5412,7 @@
  * moving tasks due to affinity constraints.
  *
  * When this is so detected; this group becomes a candidate for busiest; see
- * update_sd_pick_busiest(). And calculcate_imbalance() and
+ * update_sd_pick_busiest(). And calculate_imbalance() and
  * find_busiest_group() avoid some of the usual balance conditions to allow it
  * to create an effective group imbalance.
  *