driver/fsl_ifc: Add a function to finalize CS0 address binding

For fsl-lsch3 NOR flash boot, IFC CS0 needs to be binded with address
within 32-bit at fist. After u-boot relocates to DDR, CS0 can be binded
to higher address to support large space.

Signed-off-by: York Sun <yorksun@freescale.com>
CC: Prabhakar Kushwaha <prabhakar@freescale.com>

drivers/misc/fsl_ifc.c

@@ -162,3 +162,10 @@ void init_early_memctl_regs(void)
 	set_ifc_csor(IFC_CS7, CONFIG_SYS_CSOR7);
 #endif
 }
+
+void init_final_memctl_regs(void)
+{
+#ifdef CONFIG_SYS_CSPR0_FINAL
+	set_ifc_cspr(IFC_CS0, CONFIG_SYS_CSPR0_FINAL);
+#endif
+}