[PATCH 2/3] ddr: fsl: Allow to compile it without env support

["Pali Rohár" <pali@kernel.org>]

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

Signed-off-by: Pali Rohár <pali@kernel.org>
---
 drivers/ddr/fsl/options.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/ddr/fsl/options.c b/drivers/ddr/fsl/options.c
index c000a45f8ea8..9555b9a29d45 100644
--- a/drivers/ddr/fsl/options.c
+++ b/drivers/ddr/fsl/options.c
@@ -761,7 +761,9 @@ unsigned int populate_memctl_options(const common_timing_params_t *common_dimm,
 	 * Extract hwconfig from environment since we have not properly setup
 	 * the environment but need it for ddr config params
 	 */
+#if CONFIG_IS_ENABLED(ENV_SUPPORT)
 	if (env_get_f("hwconfig", buf, sizeof(buf)) < 0)
+#endif
 		buf[0] = '\0';
 
 #if defined(CONFIG_SYS_FSL_DDR3) || \
@@ -1408,7 +1410,9 @@ int fsl_use_spd(void)
 	 * Extract hwconfig from environment since we have not properly setup
 	 * the environment but need it for ddr config params
 	 */
+#if CONFIG_IS_ENABLED(ENV_SUPPORT)
 	if (env_get_f("hwconfig", buf, sizeof(buf)) < 0)
+#endif
 		buf[0] = '\0';
 
 	/* if hwconfig is not enabled, or "sdram" is not defined, use spd */
-- 
2.20.1