[U-Boot] [PATCH] Remove "no previous prototype" warning

[Diego Dorta]

When compiling with W=1 the following warning is observed:

board/freescale/mx6sabresd/mx6sabresd.c:266:5: warning: 
no previous prototype for ‘board_mmc_get_env_dev’
[-Wmissing-prototypes] int board_mmc_get_env_dev(int devno)

Remove this warning by adding the function prototype into mmc.h file.

Signed-off-by: Diego Dorta <diego.dorta at nxp.com>
---
 include/mmc.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/mmc.h b/include/mmc.h
index 010ebe0..3ddfc2d 100644
--- a/include/mmc.h
+++ b/include/mmc.h
@@ -588,6 +588,7 @@ int board_mmc_init(bd_t *bis);
 int cpu_mmc_init(bd_t *bis);
 int mmc_get_env_addr(struct mmc *mmc, int copy, u32 *env_addr);
 int mmc_get_env_dev(void);
+int board_mmc_get_env_dev(int devno);
 
 /* Set block count limit because of 16 bit register limit on some hardware*/
 #ifndef CONFIG_SYS_MMC_MAX_BLK_COUNT
-- 
2.7.4