env: avoid build error for boards without CONFIG_SYS_{CPU, BOARD}
If CONFIG_ENV_VARS_UBOOT_CONFIG is enabled (it is by distro), this
code causes build error for boards without CONFIG_SYS_{CPU,_BOARD}.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/include/env_default.h b/include/env_default.h
index 3096576..ea6704a 100644
--- a/include/env_default.h
+++ b/include/env_default.h
@@ -90,9 +90,13 @@
#endif
#ifdef CONFIG_ENV_VARS_UBOOT_CONFIG
"arch=" CONFIG_SYS_ARCH "\0"
+#ifdef CONFIG_SYS_CPU
"cpu=" CONFIG_SYS_CPU "\0"
+#endif
+#ifdef CONFIG_SYS_BOARD
"board=" CONFIG_SYS_BOARD "\0"
"board_name=" CONFIG_SYS_BOARD "\0"
+#endif
#ifdef CONFIG_SYS_VENDOR
"vendor=" CONFIG_SYS_VENDOR "\0"
#endif