platform/x86: dell-wmi: Ignore suspend notifications

Some machines like the Dell G15 5155 emit WMI events when
suspending/resuming. Ignore those WMI events.

Tested-by: [e-mail]
Signed-off-by: Armin Wolf <[e-mail]>
Acked-by: Pali Rohár <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Reviewed-by: Hans de Goede <[e-mail]>
Signed-off-by: Hans de Goede <[e-mail]>

drivers/platform/x86/dell/dell-wmi-base.c

···
 	/*Speaker Mute*/
 	{ KE_KEY, 0x109, { KEY_MUTE} },
 
+	/* S2Idle screen off */
+	{ KE_IGNORE, 0x120, { KEY_RESERVED }},
+
+	/* Leaving S4 or S2Idle suspend */
+	{ KE_IGNORE, 0x130, { KEY_RESERVED }},
+
+	/* Entering S2Idle suspend */
+	{ KE_IGNORE, 0x140, { KEY_RESERVED }},
+
 	/* Mic mute */
 	{ KE_KEY, 0x150, { KEY_MICMUTE } },