board: mediatek: Add Genio 520/720 EVK defconfigs

Add basic defconfigs for Genio 520 and 720 EVKs.

Signed-off-by: Chris-QJ Chen <chris-qj.chen@mediatek.com>
Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
Reviewed-by: Julien Stephan <jstephan@baylibre.com>
Reviewed-by: Macpaul Lin <macpaul.lin@mediatek.com>
Link: https://patch.msgid.link/20260323-mtk-mt8391-initial-support-v3-6-19dd92f4543f@baylibre.com
Signed-off-by: David Lechner <dlechner@baylibre.com>

board/mediatek/MAINTAINERS

@@ -1,3 +1,10 @@
+MT8189/MT8371/MT8391 EVK
+M:	Macpaul Lin <macpaul.lin@mediatek.com>
+S:	Maintained
+F:	configs/mt8189.config
+F:	configs/mt8371_genio_520_evk_defconfig
+F:	configs/mt8391_genio_720_evk_defconfig
+
 MT8365 EVK
 M:	Julien Masson <jmasson@baylibre.com>
 S:	Maintained

configs/mt8189.config

@@ -0,0 +1,34 @@
+CONFIG_ARM=y
+CONFIG_COUNTER_FREQUENCY=13000000
+CONFIG_POSITION_INDEPENDENT=y
+CONFIG_ARCH_MEDIATEK=y
+CONFIG_TEXT_BASE=0x4c000000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_OF_LIBFDT_OVERLAY=y
+CONFIG_TARGET_MT8189=y
+CONFIG_MTK_MEM_MAP_DDR_SIZE=0x200000000
+CONFIG_SYS_LOAD_ADDR=0x4c000000
+CONFIG_FIT=y
+CONFIG_BOOTSTD_FULL=y
+# CONFIG_BOARD_INIT is not set
+CONFIG_CMD_CLK=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PMIC=y
+CONFIG_CMD_REGULATOR=y
+CONFIG_CLK=y
+# CONFIG_MMC_QUIRKS is not set
+CONFIG_MMC_HS200_SUPPORT=y
+CONFIG_MMC_MTK=y
+CONFIG_PINCTRL=y
+CONFIG_PINCONF=y
+CONFIG_PINCTRL_MT8189=y
+CONFIG_DM_PMIC=y
+CONFIG_DM_PMIC_MTK_PWRAP=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_MT6359=y
+CONFIG_BAUDRATE=921600
+CONFIG_DM_SERIAL=y
+CONFIG_MTK_SERIAL=y
+CONFIG_WDT=y
+CONFIG_WDT_MTK=y

configs/mt8371_genio_520_evk_defconfig

@@ -0,0 +1,4 @@
+#include <configs/mt8189.config>
+
+CONFIG_DEFAULT_DEVICE_TREE="mt8371-genio-520-evk"
+CONFIG_DEFAULT_FDT_FILE="mt8371-genio-520-evk"

configs/mt8391_genio_720_evk_defconfig

@@ -0,0 +1,4 @@
+#include <configs/mt8189.config>
+
+CONFIG_DEFAULT_DEVICE_TREE="mt8391-genio-720-evk"
+CONFIG_DEFAULT_FDT_FILE="mt8391-genio-720-evk"