fix: mvebu: Add SPI parameters for environment setup

Add definitions for CONFIG_ENV_SPI_BUS and CONFIG_ENV_SPI_CS
to Armada-388-GP board configuration

Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Cc: Igal Liberman <igall@marvell.com>
Cc: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>

include/configs/db-88f6820-gp.h

@@ -28,6 +28,12 @@
 #define CONFIG_SYS_I2C_SLAVE		0x0
 #define CONFIG_SYS_I2C_SPEED		100000
 
+/*
+ * SPI Flash configuration for the environemnt access
+ */
+#define CONFIG_ENV_SPI_BUS		0
+#define CONFIG_ENV_SPI_CS		0
+
 /* SPI NOR flash default params, used by sf commands */
 #define CONFIG_SF_DEFAULT_SPEED		1000000
 #define CONFIG_SF_DEFAULT_MODE		SPI_MODE_3