staging: greybus: Fix a commit coding style issue.

Fixes a comment coding style warning by adding 2 blank lines. Issue
found by checkpatch.

Signed-off-by: Sidhant Gupta <[e-mail]>
Acked-by: Johan Hovold <[e-mail]>
Reviewed-by: Vaishali Thakkar <[e-mail]>
Acked-by: Viresh Kumar <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/greybus/arche-apb-ctrl.c

···
 		if (apb->state == ARCHE_PLATFORM_STATE_FW_FLASHING)
 			return count;
 
-		/* First we want to make sure we power off everything
-		 * and then enter FW flashing state */
+		/*
+		 * First we want to make sure we power off everything
+		 * and then enter FW flashing state
+		 */
 		poweroff_seq(pdev);
 		ret = fw_flashing_seq(pdev);
 	} else {