[PATCH 1/3] hwconfig: Allow to compile it without env support

["Pali Rohár" <pali@kernel.org>]

When env support is disabled then usage of env_get() generates linker
errors. So do not compile env_get() when env support is disabled (for
example when disabled only in SPL).

Signed-off-by: Pali Rohár <pali@kernel.org>
---
 common/hwconfig.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/common/hwconfig.c b/common/hwconfig.c
index 63b3ccaf84e2..43566b81bd48 100644
--- a/common/hwconfig.c
+++ b/common/hwconfig.c
@@ -83,7 +83,9 @@ static const char *__hwconfig(const char *opt, size_t *arglen,
 					"and before environment is ready\n");
 			return NULL;
 		}
+#if CONFIG_IS_ENABLED(ENV_SUPPORT)
 		env_hwconfig = env_get("hwconfig");
+#endif
 	}
 
 	if (env_hwconfig) {
-- 
2.20.1