export SPI functions to standalone apps

While we're here, fix the broken #ifdef handling in _exports.h.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/include/_exports.h b/include/_exports.h
index af43885..f3df568 100644
--- a/include/_exports.h
+++ b/include/_exports.h
@@ -1,3 +1,7 @@
+/*
+ * You do not need to use #ifdef around functions that may not exist
+ * in the final configuration (such as i2c).
+ */
 EXPORT_FUNC(get_version)
 EXPORT_FUNC(getc)
 EXPORT_FUNC(tstc)
@@ -14,13 +18,15 @@
 EXPORT_FUNC(do_reset)
 EXPORT_FUNC(getenv)
 EXPORT_FUNC(setenv)
-#ifdef CONFIG_HAS_UID
 EXPORT_FUNC(forceenv)
-#endif
 EXPORT_FUNC(simple_strtoul)
 EXPORT_FUNC(simple_strtol)
 EXPORT_FUNC(strcmp)
-#if defined(CONFIG_CMD_I2C)
 EXPORT_FUNC(i2c_write)
 EXPORT_FUNC(i2c_read)
-#endif
+EXPORT_FUNC(spi_init)
+EXPORT_FUNC(spi_setup_slave)
+EXPORT_FUNC(spi_free_slave)
+EXPORT_FUNC(spi_claim_bus)
+EXPORT_FUNC(spi_release_bus)
+EXPORT_FUNC(spi_xfer)
diff --git a/include/exports.h b/include/exports.h
index 0620e9e..16ea03a 100644
--- a/include/exports.h
+++ b/include/exports.h
@@ -33,6 +33,7 @@
 int i2c_write (uchar, uint, int , uchar* , int);
 int i2c_read (uchar, uint, int , uchar* , int);
 #endif
+#include <spi.h>
 
 void app_startup(char **);
 
@@ -46,7 +47,7 @@
 	XF_MAX
 };
 
-#define XF_VERSION	4
+#define XF_VERSION	5
 
 #if defined(CONFIG_I386)
 extern gd_t *global_data;