mb/google/geralt: Put eDP panel data in panel_geralt.c

Both eDP and MIPI interfaces are supported in geralt project. Therefore,
we put the eDP panel data in panel_geralt.c to have the consistent
interface `get_active_panel` function.

BUG=b:244208960
TEST=emerge-geralt coreboot

Change-Id: Ib35b3cab31bae4109b9715242201425580339536
Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70405
Reviewed-by: Yidi Lin <yidilin@google.com>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/geralt/panel_geralt.c b/src/mainboard/google/geralt/panel_geralt.c
index f8e612c..d37d68a 100644
--- a/src/mainboard/google/geralt/panel_geralt.c
+++ b/src/mainboard/google/geralt/panel_geralt.c
@@ -14,11 +14,21 @@
 	gpio_output(GPIO_MIPI_PANEL_BL_PWM, 0);
 }
 
+static void configure_edp_aux_backlight(void)
+{
+	/* TODO: Add edp aux backlight for MUTTO_B152731E1 when we get MUTTO_B152731E1 */
+}
+
 static void power_on_mipi_boe_nv110c9m_l60(void)
 {
 	/* TODO: Add the poweron for BOE_NV110C9M_L60 when we get BOE_NV110C9M_L60 */
 }
 
+static void power_on_edp_mutto_b152731e1(void)
+{
+	/* TODO: Add the poweron for MUTTO_B152731E1 when we get MUTTO_B152731E1 */
+}
+
 static struct panel_description panels[] = {
 	[1] = {
 		.name = "BOE_NV110C9M_L60",
@@ -26,6 +36,12 @@
 		.configure_panel_backlight = configure_mipi_pwm_backlight,
 		.disp_path = DISP_PATH_MIPI,
 	},
+	[11] = {
+		.name = "MUTTO_B152731E1",
+		.power_on = power_on_edp_mutto_b152731e1,
+		.configure_panel_backlight = configure_edp_aux_backlight,
+		.disp_path = DISP_PATH_EDP,
+	},
 };
 
 struct panel_description *get_panel_description(uint32_t panel_id)