configs: ls1021atwr: Fix distro_bootcmd for QSPI boot

Due to a typo, "run qspi_bootcmd" and "env exists secureboot" got
concatenated instead of being separated by a semicolon.

Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
diff --git a/include/configs/ls1021atwr.h b/include/configs/ls1021atwr.h
index cbf7a49..31abee8 100644
--- a/include/configs/ls1021atwr.h
+++ b/include/configs/ls1021atwr.h
@@ -418,7 +418,7 @@
 
 #undef CONFIG_BOOTCOMMAND
 #if defined(CONFIG_QSPI_BOOT) || defined(CONFIG_SD_BOOT_QSPI)
-#define CONFIG_BOOTCOMMAND "run distro_bootcmd; run qspi_bootcmd"	\
+#define CONFIG_BOOTCOMMAND "run distro_bootcmd; run qspi_bootcmd; "	\
 			   "env exists secureboot && esbc_halt"
 #elif defined(CONFIG_SD_BOOT)
 #define CONFIG_BOOTCOMMAND "run distro_bootcmd; run sd_bootcmd; "	\