Driver/IFC: Move Freescale IFC driver to a common driver

Freescale IFC controller has been used for mpc8xxx. It will be used
for ARM-based SoC as well. This patch moves the driver to driver/misc
and fix the header file includes.

Signed-off-by: York Sun <yorksun@freescale.com>
diff --git a/board/freescale/p1010rdb/p1010rdb.c b/board/freescale/p1010rdb/p1010rdb.c
index e940d22..62caf67 100644
--- a/board/freescale/p1010rdb/p1010rdb.c
+++ b/board/freescale/p1010rdb/p1010rdb.c
@@ -19,7 +19,7 @@
 #include <netdev.h>
 #include <pci.h>
 #include <asm/fsl_serdes.h>
-#include <asm/fsl_ifc.h>
+#include <fsl_ifc.h>
 #include <asm/fsl_pci.h>
 #include <hwconfig.h>
 #include <i2c.h>