acer-wmi: Mark acer_wmi_keymap[] as __initconst

sparse_keymap_setup() will make a copy of the keymap, so we can release
the master copy after initialization.
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: "Lee, Chun-Yi" <jlee@suse.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>

drivers/platform/x86/acer-wmi.c

@@ -96,7 +96,7 @@ enum acer_wmi_event_ids {
 	WMID_ACCEL_EVENT = 0x5,
 };
 
-static const struct key_entry acer_wmi_keymap[] = {
+static const struct key_entry acer_wmi_keymap[] __initconst = {
 	{KE_KEY, 0x01, {KEY_WLAN} },     /* WiFi */
 	{KE_KEY, 0x03, {KEY_WLAN} },     /* WiFi */
 	{KE_KEY, 0x04, {KEY_WLAN} },     /* WiFi */