Correct SPL use of A003399_NOR_WORKAROUND

This converts 1 usage of this option to the non-SPL form, since there is
no SPL_A003399_NOR_WORKAROUND defined in Kconfig

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/misc/fsl_ifc.c b/drivers/misc/fsl_ifc.c
index 58b0058..f165b8c 100644
--- a/drivers/misc/fsl_ifc.c
+++ b/drivers/misc/fsl_ifc.c
@@ -371,7 +371,7 @@
 	for (i = 0 ; i < regs_info.cs_size; i++) {
 		if (regs[i].pr && (regs[i].pr & CSPR_V)) {
 			/* skip setting cspr/csor_ext in below condition */
-			if (!(CONFIG_IS_ENABLED(A003399_NOR_WORKAROUND) &&
+			if (!(IS_ENABLED(CONFIG_A003399_NOR_WORKAROUND) &&
 			      i == 0 &&
 			      ((regs[0].pr & CSPR_MSEL) == CSPR_MSEL_NOR))) {
 				if (regs[i].pr_ext)