test: run setexpr test only on sandbox

The test relies on memory being available at 0x0. This in not valid for
many boards.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/test/cmd/Makefile b/test/cmd/Makefile
index b7b9bd4..f2a5f4e 100644
--- a/test/cmd/Makefile
+++ b/test/cmd/Makefile
@@ -15,5 +15,7 @@
 obj-$(CONFIG_CMD_MEM_SEARCH) += mem_search.o
 obj-$(CONFIG_CMD_PINMUX) += pinmux.o
 obj-$(CONFIG_CMD_PWM) += pwm.o
+ifdef CONFIG_SANDBOX
 obj-$(CONFIG_CMD_SETEXPR) += setexpr.o
+endif
 obj-$(CONFIG_CMD_TEMPERATURE) += temperature.o
diff --git a/test/cmd_ut.c b/test/cmd_ut.c
index 11c219b..99e53dd 100644
--- a/test/cmd_ut.c
+++ b/test/cmd_ut.c
@@ -62,7 +62,7 @@
 	U_BOOT_CMD_MKENT(log, CONFIG_SYS_MAXARGS, 1, do_ut_log, "", ""),
 #endif
 	U_BOOT_CMD_MKENT(mem, CONFIG_SYS_MAXARGS, 1, do_ut_mem, "", ""),
-#ifdef CONFIG_CMD_SETEXPR
+#if defined(CONFIG_SANDBOX) && defined(CONFIG_CMD_SETEXPR)
 	U_BOOT_CMD_MKENT(setexpr, CONFIG_SYS_MAXARGS, 1, do_ut_setexpr, "",
 			 ""),
 #endif