This allows us to do basic math in hush shell. For example:
U-Boot# r1=10
U-Boot# r2=20
U-Boot# setexpr.l r3 $r1 + $r2
U-Boot# echo $r3
30

Reported-by: Vitaly Andrianov <vita...@ti.com>
Suggested-by: Tom Rini <tr...@ti.com>
Signed-off-by: Nishanth Menon <n...@ti.com>
---
 include/configs/ti_armv7_common.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/configs/ti_armv7_common.h 
b/include/configs/ti_armv7_common.h
index 5a4fd2d5552f..d9cd90002ca7 100644
--- a/include/configs/ti_armv7_common.h
+++ b/include/configs/ti_armv7_common.h
@@ -115,6 +115,7 @@
 #define CONFIG_SYS_MALLOC_LEN  (16 << 20)
 #endif
 #define CONFIG_SYS_HUSH_PARSER
+#define CONFIG_CMD_SETEXPR
 #define CONFIG_SYS_PROMPT              "U-Boot# "
 #define CONFIG_SYS_CONSOLE_INFO_QUIET
 #define CONFIG_BAUDRATE                        115200
-- 
2.1.4

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