microblaze: Call spi_init function

Initialization spi.

Signed-off-by: Michal Simek <monstr@monstr.eu>
Acked-by: Stephan Linz <linz@li-pro.net>
Signed-off-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>

arch/microblaze/lib/board.c

@@ -16,6 +16,7 @@
 #include <stdio_dev.h>
 #include <serial.h>
 #include <net.h>
+#include <spi.h>
 #include <linux/compiler.h>
 #include <asm/processor.h>
 #include <asm/microblaze_intc.h>
@@ -147,6 +148,10 @@ void board_init_f(ulong not_used)
 	}
 #endif
 
+#ifdef CONFIG_SPI
+	spi_init();
+#endif
+
 	/* relocate environment function pointers etc. */
 	env_relocate();