ARM: imx: Fix typo in select option for ZMX25

Correct CPU_ARM926EJS1 to CPU_ARM926EJS.

Reported-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
diff --git a/arch/arm/mach-imx/mx2/Kconfig b/arch/arm/mach-imx/mx2/Kconfig
index ea308fc..30a331a 100644
--- a/arch/arm/mach-imx/mx2/Kconfig
+++ b/arch/arm/mach-imx/mx2/Kconfig
@@ -17,7 +17,7 @@
 config TARGET_ZMX25
 	bool "Support zmx25"
 	select BOARD_LATE_INIT
-	select CPU_ARM926EJS1
+	select CPU_ARM926EJS
 
 endchoice