arm64: mvebu: Rename the db-88f3720 to armada-37xx platform

Modify the file names and deifinitions relater to Marvell
db-77f3720 board support. Convert these names to more generic
armada-37xx platform for future addition of more boards
based on the same SoC family.

Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Cc: Stefan Roese <sr@denx.de>
Cc: Igal Liberman <igall@marvell.com>
Cc: Nadav Haklai <nadavh@marvell.com>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index 412bda4..a256c2f 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -74,8 +74,8 @@
 	bool "Support ClearFog"
 	select 88F6820
 
-config TARGET_MVEBU_DB_88F3720
-	bool "Support DB-88F3720 Armada 3720"
+config TARGET_MVEBU_ARMADA_37XX
+	bool "Support Armada 37xx platforms"
 	select ARMADA_3700
 
 config TARGET_DB_88F6720
@@ -116,7 +116,7 @@
 
 config SYS_BOARD
 	default "clearfog" if TARGET_CLEARFOG
-	default "mvebu_db-88f3720" if TARGET_MVEBU_DB_88F3720
+	default "mvebu_armada-37xx" if TARGET_MVEBU_ARMADA_37XX
 	default "db-88f6720" if TARGET_DB_88F6720
 	default "db-88f6820-gp" if TARGET_DB_88F6820_GP
 	default "db-88f6820-amc" if TARGET_DB_88F6820_AMC
@@ -128,7 +128,7 @@
 
 config SYS_CONFIG_NAME
 	default "clearfog" if TARGET_CLEARFOG
-	default "mvebu_db-88f3720" if TARGET_MVEBU_DB_88F3720
+	default "mvebu_armada-37xx" if TARGET_MVEBU_ARMADA_37XX
 	default "db-88f6720" if TARGET_DB_88F6720
 	default "db-88f6820-gp" if TARGET_DB_88F6820_GP
 	default "db-88f6820-amc" if TARGET_DB_88F6820_AMC
@@ -140,7 +140,7 @@
 
 config SYS_VENDOR
 	default "Marvell" if TARGET_DB_MV784MP_GP
-	default "Marvell" if TARGET_MVEBU_DB_88F3720
+	default "Marvell" if TARGET_MVEBU_ARMADA_37XX
 	default "Marvell" if TARGET_DB_88F6720
 	default "Marvell" if TARGET_DB_88F6820_GP
 	default "Marvell" if TARGET_DB_88F6820_AMC