ectool: fix NetBSD compilation

Since NetBSD does not support uname -o, push check for CygWin
inside separate non-failing condition in Makefile.

Change-Id: Ibd264384f49b33412f0ef8554bd9c9fb8f60a892
Signed-off-by: Andrey Korolyov <andrey@xdel.ru>
Reviewed-on: https://review.coreboot.org/12831
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

util/ectool/ectool.c

@@ -18,10 +18,17 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <getopt.h>
+#ifndef __NetBSD__
 #include <sys/io.h>
+#endif
 #include <ec.h>
 #include <stdlib.h>
 
+#ifdef __NetBSD__
+#include <machine/sysarch.h>
+#endif
+
+
 #define ECTOOL_VERSION "0.1"
 
 void print_version(void)
@@ -106,7 +113,15 @@ int main(int argc, char *argv[])
 		}
 	}
 
+#ifdef __NetBSD__
+# ifdef __i386__
+	if (i386_iopl(3)) {
+# else
+	if (x86_64_iopl(3)) {
+# endif
+#else
 	if (iopl(3)) {
+#endif
 		printf("You need to be root.\n");
 		exit(1);
 	}