counter: 104-quad-8: Add const qualifier for actions_list array

The struct counter_synapse actions_list member expects a const enum
counter_synapse_action array. This patch adds the const qualifier to the
quad8_index_actions_list and quad8_synapse_actions_list to match
actions_list.

Acked-by: Syed Nayyar Waris <syednwaris@gmail.com>
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Link: https://lore.kernel.org/r/776ba3ad0a3c609d3600cffe0ed6446baf29fee9.1623201081.git.vilhelm.gray@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/counter/104-quad-8.c

@@ -305,12 +305,12 @@ enum quad8_synapse_action {
 	QUAD8_SYNAPSE_ACTION_BOTH_EDGES
 };
 
-static enum counter_synapse_action quad8_index_actions_list[] = {
+static const enum counter_synapse_action quad8_index_actions_list[] = {
 	[QUAD8_SYNAPSE_ACTION_NONE] = COUNTER_SYNAPSE_ACTION_NONE,
 	[QUAD8_SYNAPSE_ACTION_RISING_EDGE] = COUNTER_SYNAPSE_ACTION_RISING_EDGE
 };
 
-static enum counter_synapse_action quad8_synapse_actions_list[] = {
+static const enum counter_synapse_action quad8_synapse_actions_list[] = {
 	[QUAD8_SYNAPSE_ACTION_NONE] = COUNTER_SYNAPSE_ACTION_NONE,
 	[QUAD8_SYNAPSE_ACTION_RISING_EDGE] = COUNTER_SYNAPSE_ACTION_RISING_EDGE,
 	[QUAD8_SYNAPSE_ACTION_FALLING_EDGE] = COUNTER_SYNAPSE_ACTION_FALLING_EDGE,