arm: mvebu: Consolidate board Kconfig options into one file

Merging all the board specific Kconfig options into the main Kconfig file
for mach-mvebu makes things easier to maintain.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Luka Perkov <luka.perkov@sartura.hr>
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index 82a439e..9f4d46b 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -18,6 +18,23 @@
 
 endchoice
 
+config SYS_BOARD
+	default "clearfog" if TARGET_CLEARFOG
+	default "db-88f6820-gp" if TARGET_DB_88F6820_GP
+	default "db-mv784mp-gp" if TARGET_DB_MV784MP_GP
+	default "maxbcm" if TARGET_MAXBCM
+
+config SYS_CONFIG_NAME
+	default "clearfog" if TARGET_CLEARFOG
+	default "db-88f6820-gp" if TARGET_DB_88F6820_GP
+	default "db-mv784mp-gp" if TARGET_DB_MV784MP_GP
+	default "maxbcm" if TARGET_MAXBCM
+
+config SYS_VENDOR
+	default "Marvell" if TARGET_DB_MV784MP_GP
+	default "Marvell" if TARGET_DB_88F6820_GP
+	default "solidrun" if TARGET_CLEARFOG
+
 config SYS_SOC
 	default "mvebu"