arm64: marvell: enable Armada 3700 clock drivers

This patch enables the support for the clocks drivers used on the
Armada 3700.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index 7ef1d05..2fdadff 100644
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -73,6 +73,7 @@
 	bool "Marvell EBU SoC Family"
 	select ARMADA_AP806_SYSCON
 	select ARMADA_CP110_SYSCON
+	select ARMADA_37XX_CLK
 	select MVEBU_ODMI
 	help
 	  This enables support for Marvell EBU familly, including: