env: Drop saveenv() in favour of env_save()

Use the env_save() function directly now that there is only one
implementation of saveenv().

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Denk <wd@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/board/intel/edison/edison.c b/board/intel/edison/edison.c
index a1a7d4d..80f9b54 100644
--- a/board/intel/edison/edison.c
+++ b/board/intel/edison/edison.c
@@ -5,6 +5,7 @@
  */
 #include <common.h>
 #include <dwc3-uboot.h>
+#include <environment.h>
 #include <mmc.h>
 #include <u-boot/md5.h>
 #include <usb.h>
@@ -70,7 +71,7 @@
 	setenv("serial#", serial);
 
 #if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE)
-	saveenv();
+	env_save();
 #endif
 }
 
@@ -88,7 +89,7 @@
 	setenv("hardware_id", hardware_id);
 
 #if defined(CONFIG_CMD_SAVEENV) && !defined(CONFIG_ENV_IS_NOWHERE)
-	saveenv();
+	env_save();
 #endif
 }
 
diff --git a/board/siemens/taurus/taurus.c b/board/siemens/taurus/taurus.c
index 4aa8d64..3b742eb 100644
--- a/board/siemens/taurus/taurus.c
+++ b/board/siemens/taurus/taurus.c
@@ -15,6 +15,7 @@
 #include <command.h>
 #include <common.h>
 #include <dm.h>
+#include <environment.h>
 #include <asm/io.h>
 #include <asm/arch/at91sam9260_matrix.h>
 #include <asm/arch/at91sam9_smc.h>
@@ -405,7 +406,7 @@
 	setenv("bootargs", '\0');
 	setenv("upgrade_available", '\0');
 	setenv("boot_retries", '\0');
-	saveenv();
+	env_save();
 
 	return 0;
 }
@@ -424,7 +425,7 @@
 		boot_retry++;
 		sprintf(boot_buf, "%lx", boot_retry);
 		setenv("boot_retries", boot_buf);
-		saveenv();
+		env_save();
 
 		/*
 		 * Here the boot_retries count is checked, and if the
diff --git a/board/toradex/apalis_imx6/apalis_imx6.c b/board/toradex/apalis_imx6/apalis_imx6.c
index 8e5613c..e41547b 100644
--- a/board/toradex/apalis_imx6/apalis_imx6.c
+++ b/board/toradex/apalis_imx6/apalis_imx6.c
@@ -9,6 +9,7 @@
 
 #include <common.h>
 #include <dm.h>
+#include <environment.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/crm_regs.h>
 #include <asm/arch/mxc_hdmi.h>
@@ -818,7 +819,7 @@
 			setenv("fdt_file", FDT_FILE_V1_0);
 			printf("patching fdt_file to " FDT_FILE_V1_0 "\n");
 #ifndef CONFIG_ENV_IS_NOWHERE
-			saveenv();
+			env_save();
 #endif
 		}
 	}