[PATCH 2/3] imx: imx8mn_evk: add board_mmc_get_env_dev

[Peng Fan]

Add board_mmc_get_env_dev, otherwise,
Loading Environment from MMC...
MMC Device 0 not found
*** Warning - No MMC card found, using default environment

Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 board/freescale/imx8mn_evk/imx8mn_evk.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/board/freescale/imx8mn_evk/imx8mn_evk.c b/board/freescale/imx8mn_evk/imx8mn_evk.c
index b22a2a6bd1..4f33c0e7c9 100644
--- a/board/freescale/imx8mn_evk/imx8mn_evk.c
+++ b/board/freescale/imx8mn_evk/imx8mn_evk.c
@@ -19,6 +19,11 @@ int board_init(void)
 	return 0;
 }
 
+int board_mmc_get_env_dev(int devno)
+{
+	return devno;
+}
+
 int board_late_init(void)
 {
 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
-- 
2.16.4