km/scripts: fix saveenv command syntax

This is most probably a typo, and in older u-uboot versions is same as
'saveenv', in the newer uboot versions there is a separate 'save' command
that is different from 'saveenv'.

Signed-off-by: Aleksandar Gerasimovski <aleksandar.gerasimovski@hitachi-powergrids.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>

board/keymile/scripts/ramfs-common.txt

@@ -3,7 +3,7 @@ boot_bank=-1
 altbootcmd=run ${subbootcmds}
 bootcmd=run ${subbootcmds}
 subbootcmds=save_and_reset_once tftpfdt tftpkernel setrootfsaddr tftpramfs flashargs add_default addpanic addramfs boot
-save_and_reset_once=setenv save_and_reset_once true && save && reset
+save_and_reset_once=setenv save_and_reset_once true && saveenv && reset
 nfsargs=setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath}
 configure=run set_uimage; run set_tftppath; km_setboardid && run try_import_rootfssize && saveenv && reset
 setrootfsaddr=setexpr value ${pnvramaddr} - ${rootfssize} && setenv rootfsaddr 0x${value}