platform/chrome: lightbar: Fix lightbar_program_ex alignment

Make sure sub-command of lightbar command starts with a 8bit
parameter to ensure alignment.

Fixes: 9600b8b ("platform/chrome: lightbar: Add support for large sequence")
Signed-off-by: Gwendal Grignou <gwendal@google.com>
Link: https://lore.kernel.org/r/20260202100621.3608437-1-gwendal@google.com
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>

Author: gwendalcr

include/linux/platform_data/cros_ec_commands.h

@@ -2026,10 +2026,10 @@ struct lightbar_program {
  * EC RAM.
  */
 struct lightbar_program_ex {
-	uint16_t offset;
 	uint8_t size;
+	uint16_t offset;
 	uint8_t data[0];
-} __ec_todo_unpacked;
+} __ec_todo_packed;
 
 struct ec_params_lightbar {
 	uint8_t cmd;		      /* Command (see enum lightbar_command) */