configs: stm32: Enable CONFIG_ENV_VARS_UBOOT_CONFIG

Enable CONFIG_ENV_VARS_UBOOT_CONFIG for all STM32 boards
It allows to retrieve the SoC name into the "soc" environment
variable.

Signed-off-by: Christophe Priouzeau <christophe.priouzeau@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Vikas Manocha <vikas.manocha@st.com>
diff --git a/include/configs/stm32f429-discovery.h b/include/configs/stm32f429-discovery.h
index af9daad..92166a4 100644
--- a/include/configs/stm32f429-discovery.h
+++ b/include/configs/stm32f429-discovery.h
@@ -59,6 +59,7 @@
 #define CONFIG_BOOTCOMMAND						\
 	"run bootcmd_romfs"
 
+#define CONFIG_ENV_VARS_UBOOT_CONFIG
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	"bootargs_romfs=uclinux.physaddr=0x08180000 root=/dev/mtdblock0\0" \
 	"bootcmd_romfs=setenv bootargs ${bootargs} ${bootargs_romfs};" \
diff --git a/include/configs/stm32f429-evaluation.h b/include/configs/stm32f429-evaluation.h
index ab33d0f..79b77bd 100644
--- a/include/configs/stm32f429-evaluation.h
+++ b/include/configs/stm32f429-evaluation.h
@@ -52,6 +52,7 @@
 #define CONFIG_BOOTCOMMAND						\
 	"run boot_sd"
 
+#define CONFIG_ENV_VARS_UBOOT_CONFIG
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	"boot_sd=mmc dev 0;fatload mmc 0 0x00700000 stm32429i-eval.dtb; fatload mmc 0 0x00008000 zImage; icache off; bootz 0x00008000 - 0x00700000"
 
diff --git a/include/configs/stm32f469-discovery.h b/include/configs/stm32f469-discovery.h
index c290a66..99c3e08 100644
--- a/include/configs/stm32f469-discovery.h
+++ b/include/configs/stm32f469-discovery.h
@@ -54,6 +54,7 @@
 #define CONFIG_BOOTCOMMAND						\
 	"run boot_sd"
 
+#define CONFIG_ENV_VARS_UBOOT_CONFIG
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	"boot_sd=mmc dev 0;fatload mmc 0 0x00700000 stm32f469-disco.dtb; fatload mmc 0 0x00008000 zImage; icache off; bootz 0x00008000 - 0x00700000"
 
diff --git a/include/configs/stm32f746-disco.h b/include/configs/stm32f746-disco.h
index 3e952c2..b99eb71 100644
--- a/include/configs/stm32f746-disco.h
+++ b/include/configs/stm32f746-disco.h
@@ -52,6 +52,7 @@
 #define CONFIG_BOOTCOMMAND						\
 	"run bootcmd_romfs"
 
+#define CONFIG_ENV_VARS_UBOOT_CONFIG
 #define CONFIG_EXTRA_ENV_SETTINGS \
 	"bootargs_romfs=uclinux.physaddr=0x08180000 root=/dev/mtdblock0\0" \
 	"bootcmd_romfs=setenv bootargs ${bootargs} ${bootargs_romfs};" \
diff --git a/include/configs/stm32h743-disco.h b/include/configs/stm32h743-disco.h
index 531de70..1494203 100644
--- a/include/configs/stm32h743-disco.h
+++ b/include/configs/stm32h743-disco.h
@@ -39,6 +39,8 @@
 #define CONFIG_BOOTARGS							\
 	"console=ttyS0,115200 earlyprintk consoleblank=0 ignore_loglevel"
 
+#define CONFIG_ENV_VARS_UBOOT_CONFIG
+
 /*
  * Command line configuration.
  */
diff --git a/include/configs/stm32h743-eval.h b/include/configs/stm32h743-eval.h
index 531de70..1494203 100644
--- a/include/configs/stm32h743-eval.h
+++ b/include/configs/stm32h743-eval.h
@@ -39,6 +39,8 @@
 #define CONFIG_BOOTARGS							\
 	"console=ttyS0,115200 earlyprintk consoleblank=0 ignore_loglevel"
 
+#define CONFIG_ENV_VARS_UBOOT_CONFIG
+
 /*
  * Command line configuration.
  */