imx: spl: Fix typo BMODE_EMI -> BMODE_EIM

The interface for NOR/OneNAND is called "EIM" not "EMI".  Fix this.

Signed-off-by: Harald Seiler <hws@denx.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
diff --git a/arch/arm/mach-imx/spl.c b/arch/arm/mach-imx/spl.c
index 427b7f7..2832b73 100644
--- a/arch/arm/mach-imx/spl.c
+++ b/arch/arm/mach-imx/spl.c
@@ -57,9 +57,9 @@
 	/* BOOT_CFG1[7:4] - see IMX6DQRM Table 8-8 */
 	switch ((reg & IMX6_BMODE_MASK) >> IMX6_BMODE_SHIFT) {
 	 /* EIM: See 8.5.1, Table 8-9 */
-	case IMX6_BMODE_EMI:
+	case IMX6_BMODE_EIM:
 		/* BOOT_CFG1[3]: NOR/OneNAND Selection */
-		switch ((reg & IMX6_BMODE_EMI_MASK) >> IMX6_BMODE_EMI_SHIFT) {
+		switch ((reg & IMX6_BMODE_EIM_MASK) >> IMX6_BMODE_EIM_SHIFT) {
 		case IMX6_BMODE_ONENAND:
 			return BOOT_DEVICE_ONENAND;
 		case IMX6_BMODE_NOR: