[U-Boot] [PATCH 4/8] arm/km: add CONFIG_KM_BOARD_EXTRA_ENV to default environment

[Holger Brunck]

This is needed for board specific additional environment variables.
E.g. the mgcoge3un has this additional "waitforne" variable.

Signed-off-by: Holger Brunck <holger.brunck at keymile.com>
---
 include/configs/km/km_arm.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/configs/km/km_arm.h b/include/configs/km/km_arm.h
index e74f85f..6278e76 100644
--- a/include/configs/km/km_arm.h
+++ b/include/configs/km/km_arm.h
@@ -289,10 +289,15 @@ int get_scl(void);
 		" ${addr} " __stringify(CONFIG_ENV_OFFSET_REDUND) " 4\0"
 #endif
 
+#ifndef CONFIG_KM_BOARD_EXTRA_ENV
+#define CONFIG_KM_BOARD_EXTRA_ENV       ""
+#endif
+
 /*
  * Default environment variables
  */
 #define CONFIG_EXTRA_ENV_SETTINGS					\
+	CONFIG_KM_BOARD_EXTRA_ENV					\
 	CONFIG_KM_DEF_ENV						\
 	CONFIG_KM_NEW_ENV						\
 	"arch=arm\0"							\
-- 
1.8.0.1