Add fsl_iim driver

Add a fsl_iim driver common to i.MX and MPC.

Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau@advansee.com>
diff --git a/arch/arm/include/asm/arch-mx27/imx-regs.h b/arch/arm/include/asm/arch-mx27/imx-regs.h
index aee058f..8867e9f 100644
--- a/arch/arm/include/asm/arch-mx27/imx-regs.h
+++ b/arch/arm/include/asm/arch-mx27/imx-regs.h
@@ -222,6 +222,7 @@
 #define IMX_PLL_BASE		(0x27000 + IMX_IO_BASE)
 #define IMX_SYSTEM_CTL_BASE	(0x27800 + IMX_IO_BASE)
 #define IMX_IIM_BASE		(0x28000 + IMX_IO_BASE)
+#define IIM_BASE_ADDR		IMX_IIM_BASE
 #define IMX_FEC_BASE		(0x2b000 + IMX_IO_BASE)
 
 #define IMX_ESD_BASE		(0xD8001000)