ARM: hikey: Select DM, DM_GPIO from Kconfig

Most platforms enable these options from Kconfig rather
than the configs header file.
Signed-off-by: NPeter Griffin <peter.griffin@linaro.org>
Reviewed-by: NSimon Glass <sjg@chromium.org>

arch/arm/Kconfig

@@ -602,6 +602,8 @@ config TARGET_LS2085ARDB
 config TARGET_HIKEY
 	bool "Support HiKey 96boards Consumer Edition Platform"
 	select ARM64
+	select DM
+	select DM_GPIO
 	  help
 	  Support for HiKey 96boards platform. It features a HI6220
 	  SoC, with 8xA53 CPU, mali450 gpu, and 1GB RAM.

include/configs/hikey.h

@@ -83,9 +83,7 @@
 #endif
 
 #define CONFIG_HIKEY_GPIO
-#define CONFIG_DM_GPIO
 #define CONFIG_CMD_GPIO
-#define CONFIG_DM
 
 /* SD/MMC configuration */
 #define CONFIG_GENERIC_MMC