Fix build of stand/usb .

MFC after:	1 week
Sponsored by:	Mellanox Technologies // NVIDIA Networking

stand/kshim/bsd_kernel.h

@@ -242,6 +242,8 @@ typedef signed long ssize_t;
 #define	_OFF_T_DECLARED
 typedef unsigned long off_t;
 
+typedef int64_t sbintime_t;
+
 typedef unsigned char   u_char;
 typedef unsigned short  u_short;
 typedef unsigned int    u_int;

sys/sys/gpio.h

@@ -53,7 +53,7 @@
 #define __GPIO_H__
 
 #include <sys/ioccom.h>
-#ifndef _KERNEL
+#if !defined(_KERNEL) && !defined(_STANDALONE)
 #include <stdbool.h>
 #endif