hwconfig: Allow to compile it without env support

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>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>

diff --git a/common/hwconfig.c b/common/hwconfig.c
index 63b3cca..43566b8 100644 (file)
--- 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) {