mx53loco: Let CONFIG_DISPLAY_CPUINFO be selected

With CONFIG_DISPLAY_CPUINFO=y we get a "Reset cause" line, which
brings important information of the reboot cause.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>

configs/mx53loco_defconfig

@@ -8,7 +8,6 @@ CONFIG_BOOTDELAY=1
 # CONFIG_CONSOLE_MUX is not set
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 CONFIG_SYS_CONSOLE_OVERWRITE_ROUTINE=y
-# CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_BOOTZ=y
 CONFIG_CMD_MMC=y