x86: Code cleanup

Make the copyright notices in the x86 files consistent and update them with
proper attributions for recent updates

Also fix a few comment style/accuracy and whitespace/blank line issues

Signed-off-by: Graeme Russ <graeme.russ@gmail.com>
diff --git a/arch/i386/lib/realmode.c b/arch/i386/lib/realmode.c
index 2dda95b..5be827c 100644
--- a/arch/i386/lib/realmode.c
+++ b/arch/i386/lib/realmode.c
@@ -1,6 +1,6 @@
 /*
  * (C) Copyright 2002
- * Daniel Engström, Omicron Ceti AB, daniel@omicron.se
+ * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se>
  *
  * See file CREDITS for list of people who contributed to this
  * project.
@@ -26,10 +26,8 @@
 #include <asm/ptrace.h>
 #include <asm/realmode.h>
 
-
 #define REALMODE_MAILBOX ((char*)0xe00)
 
-
 extern ulong __realmode_start;
 extern ulong __realmode_size;
 extern char realmode_enter;
@@ -57,13 +55,11 @@
 {
 
 	/* setup out thin bios emulation */
-	if (bios_setup()) {
+	if (bios_setup())
 		return -1;
-	}
 
-	if (realmode_setup()) {
+	if (realmode_setup())
 		return -1;
-	}
 
 	in->eip = off;
 	in->xcs = seg;