[U-Boot] [PATCH v2] mmc: fix env in mmc with redundant compile error

[Bo Shen]

The commit d196bd8 (env_mmc: add support for redundant environment)
introduce the following compile error when enable redundant
environment support with MMC
---8<---
env_mmc.c:149: error: 'env_t' has no member named 'flags'
env_mmc.c:248: error: 'env_t' has no member named 'flags'
env_mmc.c:248: error: 'env_t' has no member named 'flags'
env_mmc.c:250: error: 'env_t' has no member named 'flags'
env_mmc.c:250: error: 'env_t' has no member named 'flags'
env_mmc.c:252: error: 'env_t' has no member named 'flags'
env_mmc.c:252: error: 'env_t' has no member named 'flags'
env_mmc.c:254: error: 'env_t' has no member named 'flags'
env_mmc.c:254: error: 'env_t' has no member named 'flags'
env_mmc.c:267: error: 'env_t' has no member named 'flags'
make[1]: *** [env_mmc.o] Error 1
--->8---

Add this patch to fix it

Signed-off-by: Bo Shen <voice.shen at atmel.com>
Reviewed-by: Michael Heimpold <mhei at heimpold.de>
---
Changes in v2:
  - s/reduandant/redundant in commit message

 include/environment.h |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/environment.h b/include/environment.h
index 4c6a37b..460ccb4 100644
--- a/include/environment.h
+++ b/include/environment.h
@@ -75,6 +75,12 @@
 # endif
 #endif	/* CONFIG_ENV_IS_IN_FLASH */
 
+#if defined(CONFIG_ENV_IS_IN_MMC)
+# ifdef CONFIG_ENV_OFFSET_REDUND
+#  define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+# endif
+#endif
+
 #if defined(CONFIG_ENV_IS_IN_NAND)
 # if defined(CONFIG_ENV_OFFSET_OOB)
 #  ifdef CONFIG_ENV_OFFSET_REDUND
-- 
1.7.9.5