arch/x86/: spelling fixes

Spelling fixes.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

arch/x86/mm/srat_64.c

@@ -160,7 +160,7 @@ static inline int save_add_info(void) {return 0;}
 #endif
 /*
  * Update nodes_add and decide if to include add are in the zone.
- * Both SPARSE and RESERVE need nodes_add infomation.
+ * Both SPARSE and RESERVE need nodes_add information.
  * This code supports one contiguous hot add area per node.
  */
 static int reserve_hotadd(int node, unsigned long start, unsigned long end)