treewide: Migrate CONFIG_BOARD_EARLY_INIT_R to Kconfig

Migrate the CONFIG_BOARD_EARLY_INIT_R option to Kconfig.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
diff --git a/configs/controlcenterd_36BIT_SDCARD_DEVELOP_defconfig b/configs/controlcenterd_36BIT_SDCARD_DEVELOP_defconfig
index 7d3274d..3668f8a 100644
--- a/configs/controlcenterd_36BIT_SDCARD_DEVELOP_defconfig
+++ b/configs/controlcenterd_36BIT_SDCARD_DEVELOP_defconfig
@@ -14,6 +14,7 @@
 CONFIG_SYS_CONSOLE_IS_IN_ENV=y
 # CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_BOARD_EARLY_INIT_F=y
+CONFIG_BOARD_EARLY_INIT_R=y
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_REGINFO=y
 CONFIG_CMD_EEPROM=y