OpenZFS restructuring - libspl

Factor Linux specific pieces out of libspl.

Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Sean Eric Fagan <sef@ixsystems.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #9336

lib/libzutil/Makefile.am

@@ -3,10 +3,6 @@ include $(top_srcdir)/config/Rules.am
 # Suppress unused but set variable warnings often due to ASSERTs
 AM_CFLAGS += $(NO_UNUSED_BUT_SET_VARIABLE)
 
-DEFAULT_INCLUDES += \
-	-I$(top_srcdir)/include \
-	-I$(top_srcdir)/lib/libspl/include
-
 noinst_LTLIBRARIES = libzutil.la
 
 USER_C = \

lib/libzutil/zutil_import.c

@@ -47,7 +47,6 @@
  */
 
 #include <ctype.h>
-#include <devid.h>
 #include <dirent.h>
 #include <errno.h>
 #include <libintl.h>