Minor - update file comment on bootsplash.c.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
diff --git a/src/bootsplash.c b/src/bootsplash.c
index fb505ce..c572685 100644
--- a/src/bootsplash.c
+++ b/src/bootsplash.c
@@ -1,4 +1,4 @@
-// Option rom scanning code.
+// Initialize the VGA console and possibly show a boot splash image.
 //
 // Copyright (C) 2009-2010  coresystems GmbH
 // Copyright (C) 2010  Kevin O'Connor <kevin@koconnor.net>