drm/panel: s6e3ha8: add static modifier to supply list

Add 'static' modifier to panel supply list.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202410160810.0jaNgxB2-lkp@intel.com/
Fixes: 779679d ("drm/panel: Add support for S6E3HA8 panel driver")
Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20241021-starqltechn_upstream_integration_panel_fix-v1-1-81776e89052a@gmail.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20241021-starqltechn_upstream_integration_panel_fix-v1-1-81776e89052a@gmail.com

drivers/gpu/drm/panel/panel-samsung-s6e3ha8.c

@@ -24,7 +24,7 @@ struct s6e3ha8 {
 	struct regulator_bulk_data *supplies;
 };
 
-const struct regulator_bulk_data s6e3ha8_supplies[] = {
+static const struct regulator_bulk_data s6e3ha8_supplies[] = {
 	{ .supply = "vdd3" },
 	{ .supply = "vci" },
 	{ .supply = "vddr" },