x86/boot/reloc: remove redundant blank characters and reformat comments a bit

Signed-off-by: Daniel Kiper <daniel.kiper@oracle.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>

xen/arch/x86/boot/reloc.c

@@ -1,11 +1,11 @@
-/******************************************************************************
+/*
  * reloc.c
- * 
+ *
  * 32-bit flat memory-map routines for relocating Multiboot structures
  * and modules. This is most easily done early with paging disabled.
- * 
+ *
  * Copyright (c) 2009, Citrix Systems, Inc.
- * 
+ *
  * Authors:
  *    Keir Fraser <keir@xen.org>
  */
@@ -21,8 +21,9 @@ asm (
     "    jmp  reloc                    \n"
     );
 
-/* This is our data.  Because the code must be relocatable, no BSS is
- * allowed.  All data is accessed PC-relative with inline assembly.
+/*
+ * This is our data. Because the code must be relocatable, no BSS is
+ * allowed. All data is accessed PC-relative with inline assembly.
  */
 asm (
     "alloc:                            \n"