Add support for a Freescale non-CPM SPI controller

This patch adds support for the SPI controller found on Freescale PowerPC
processors such as the MCP834x family.  Additionally, a new config option,
CONFIG_HARD_SPI, is added for general purpose SPI controller use.

Signed-off-by: Ben Warren <biggerbadderben@gmail.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/lib_ppc/board.c b/lib_ppc/board.c
index 7b95246..bf261be 100644
--- a/lib_ppc/board.c
+++ b/lib_ppc/board.c
@@ -87,6 +87,9 @@
     defined(CONFIG_SOFT_I2C)
 #include <i2c.h>
 #endif
+#if defined(CONFIG_HARD_SPI)
+#include <spi.h>
+#endif
 #if defined(CONFIG_CMD_NAND)
 void nand_init (void);
 #endif
@@ -247,6 +250,16 @@
 }
 #endif
 
+#if defined(CONFIG_HARD_SPI)
+static int init_func_spi (void)
+{
+	puts ("SPI:   ");
+	spi_init ();
+	puts ("ready\n");
+	return (0);
+}
+#endif
+
 /***********************************************************************/
 
 #if defined(CONFIG_WATCHDOG)
@@ -329,6 +342,9 @@
 #if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C)
 	init_func_i2c,
 #endif
+#if defined(CONFIG_HARD_SPI)
+	init_func_spi,
+#endif
 #if defined(CONFIG_DTT)		/* Digital Thermometers and Thermostats */
 	dtt_init,
 #endif