ARM: mxs: Sort the mx23evk and mx23_olinuxino

These boards were not sortes in the boards.cfg, fix this.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Otavio Salvador <otavio@ossystems.com.br>

boards.cfg

@@ -198,10 +198,10 @@ tx25                         arm         arm926ejs   tx25                karo
 zmx25                        arm         arm926ejs   zmx25               syteco         mx25
 imx27lite                    arm         arm926ejs   imx27lite           logicpd        mx27
 magnesium                    arm         arm926ejs   imx27lite           logicpd        mx27
-mx23_olinuxino               arm         arm926ejs   mx23_olinuxino      olimex         mxs		mx23_olinuxino
 apx4devkit                   arm         arm926ejs   apx4devkit          bluegiga       mxs		apx4devkit
-mx23evk                      arm         arm926ejs   mx23evk             freescale      mxs		mx23evk
 m28evk                       arm         arm926ejs   m28evk              denx           mxs		m28evk
+mx23_olinuxino               arm         arm926ejs   mx23_olinuxino      olimex         mxs		mx23_olinuxino
+mx23evk                      arm         arm926ejs   mx23evk             freescale      mxs		mx23evk
 mx28evk                      arm         arm926ejs   mx28evk             freescale      mxs		mx28evk:ENV_IS_IN_MMC
 mx28evk_nand                 arm         arm926ejs   mx28evk             freescale      mxs		mx28evk:ENV_IS_IN_NAND
 mx28evk_auart_console        arm         arm926ejs   mx28evk             freescale      mxs		mx28evk:MXS_AUART,MXS_AUART_BASE=MXS_UARTAPP3_BASE,ENV_IS_IN_MMC