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/bsc9132qds/bsc9132qds.c b/board/freescale/bsc9132qds/bsc9132qds.c
index c1ebcf8..9377280 100644
--- a/board/freescale/bsc9132qds/bsc9132qds.c
+++ b/board/freescale/bsc9132qds/bsc9132qds.c
@@ -17,7 +17,7 @@
 #include <tsec.h>
 #include <mmc.h>
 #include <netdev.h>
-#include <asm/fsl_ifc.h>
+#include <fsl_ifc.h>
 #include <hwconfig.h>
 #include <i2c.h>
 #include <fsl_ddr_sdram.h>