Move setexpr to Kconfig

Another shell scripting command that has not been moved.

Moved using tools/moveconfig.py using these settings:

CMD_SETEXPR bool n y

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/configs/s5pc210_universal_defconfig b/configs/s5pc210_universal_defconfig
index 03a28ba..633698e 100644
--- a/configs/s5pc210_universal_defconfig
+++ b/configs/s5pc210_universal_defconfig
@@ -2,4 +2,5 @@
 CONFIG_ARCH_EXYNOS=y
 CONFIG_TARGET_S5PC210_UNIVERSAL=y
 CONFIG_DEFAULT_DEVICE_TREE="exynos4210-universal_c210"
+CONFIG_CMD_SETEXPR=y
 CONFIG_OF_CONTROL=y