Add u-boot mtest start and end commands

Signed-off-by: Rabeeh Khoury <rabeeh@solid-run.com>

patches/u-boot-LSDK-20.04/0028-lx2160acex7-add-mtest-start-and-end-addresses.patch

+From 4d76da48691cf5d87fff2626065978617c629fbb Mon Sep 17 00:00:00 2001
+From: Rabeeh Khoury <rabeeh@solid-run.com>
+Date: Sun, 20 Dec 2020 16:06:26 +0200
+Subject: [PATCH 28/28] lx2160acex7: add mtest start and end addresses
+
+Signed-off-by: Rabeeh Khoury <rabeeh@solid-run.com>
+---
+ include/configs/lx2160acex7.h | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/include/configs/lx2160acex7.h b/include/configs/lx2160acex7.h
+index 9ba73fc0..d2ef78a2 100644
+--- a/include/configs/lx2160acex7.h
++++ b/include/configs/lx2160acex7.h
+@@ -77,5 +77,7 @@
+ 		"bootm $load_addr#$BOARD\0"
+ 
+ #include <asm/fsl_secure_boot.h>
++#define CONFIG_SYS_MEMTEST_START		0x2080000000
++#define CONFIG_SYS_MEMTEST_END			0x2400000000
+ 
+ #endif /* __LX2_CEX7_H */
+-- 
+2.25.1
+