drm/i915: Fix the incorrect DMI string for Samsung SX20S laptop

Signed-off-by: Zhao Yakui <[e-mail]>
Reported-by: Philipp Kohlbecher <[e-mail]>
Signed-off-by: Eric Anholt <[e-mail]>

drivers/gpu/drm/i915/intel_lvds.c

···
 	{
 		.ident = "Samsung SX20S",
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Phoenix Technologies LTD"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Samsung Electronics"),
 			DMI_MATCH(DMI_BOARD_NAME, "SX20S"),
 		},
 	},