x86: Initialise SPI if enabled

If we have SPI support, make sure that we init it.

Signed-off-by: Gabe Black <gabeblack@google.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Vic Yang <victoryang@chromium.org>

arch/x86/include/asm/init_helpers.h

@@ -37,5 +37,6 @@ int init_bd_struct_r(void);
 int flash_init_r(void);
 int status_led_set_r(void);
 int set_load_addr_r(void);
+int init_func_spi(void);
 
 #endif	/* !_INIT_HELPERS_H_ */

arch/x86/lib/board.c

@@ -153,6 +153,9 @@ init_fnc_t *init_sequence_r[] = {
 	serial_initialize_r,
 #ifndef CONFIG_SYS_NO_FLASH
 	flash_init_r,
+#endif
+#ifdef CONFIG_SPI
+	init_func_spi;
 #endif
 	env_relocate_r,
 #ifdef CONFIG_PCI

arch/x86/lib/init_helpers.c

@@ -28,6 +28,7 @@
 #include <net.h>
 #include <ide.h>
 #include <serial.h>
+#include <spi.h>
 #include <status_led.h>
 #include <asm/processor.h>
 #include <asm/u-boot-x86.h>
@@ -160,3 +161,11 @@ int set_load_addr_r(void)
 
 	return 0;
 }
+
+int init_func_spi(void)
+{
+	puts("SPI:   ");
+	spi_init();
+	puts("ready\n");
+	return 0;
+}