file.c: move access and faccessat parsers to a separate file

* access.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* file.c: Move sys_access, sys_faccessat and related code to access.c.
diff --git a/Makefile.am b/Makefile.am
index 79f9b1b..06a18bd 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -17,6 +17,7 @@
 include xlat/Makemodule.am
 
 strace_SOURCES =	\
+	access.c	\
 	aio.c		\
 	bjm.c		\
 	block.c		\