mfd: cgbc-core: Add support for conga-SA8

Add Board Controller support for the conga-SA8 module.

Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
Link: https://lore.kernel.org/r/20250318-b4-cgbc-sa8-support-v1-1-6ae9ec443c05@bootlin.com
Signed-off-by: Lee Jones <lee@kernel.org>

Author: thom24

drivers/mfd/cgbc-core.c

@@ -385,6 +385,13 @@ static const struct dmi_system_id cgbc_dmi_table[] __initconst = {
 			DMI_MATCH(DMI_BOARD_NAME, "conga-SA7"),
 		},
 	},
+	{
+		.ident = "SA8",
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "congatec"),
+			DMI_MATCH(DMI_BOARD_NAME, "conga-SA8"),
+		},
+	},
 	{}
 };
 MODULE_DEVICE_TABLE(dmi, cgbc_dmi_table);