eeepc-wmi: comments keymap to clarify the meaning of some keys

Found while checking PDF manuals...
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Matthew Garrett <mjg@redhat.com>

drivers/platform/x86/eeepc-wmi.c

@@ -99,13 +99,13 @@ static const struct key_entry eeepc_wmi_keymap[] = {
 	{ KE_KEY, 0x30, { KEY_VOLUMEUP } },
 	{ KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
 	{ KE_KEY, 0x32, { KEY_MUTE } },
-	{ KE_KEY, 0x5c, { KEY_F15 } },
+	{ KE_KEY, 0x5c, { KEY_F15 } }, /* Power Gear key */
 	{ KE_KEY, 0x5d, { KEY_WLAN } },
 	{ KE_KEY, 0x6b, { KEY_F13 } }, /* Disable Touchpad */
 	{ KE_KEY, 0x88, { KEY_WLAN } },
 	{ KE_KEY, 0xcc, { KEY_SWITCHVIDEOMODE } },
-	{ KE_KEY, 0xe0, { KEY_PROG1 } },
-	{ KE_KEY, 0xe1, { KEY_F14 } },
+	{ KE_KEY, 0xe0, { KEY_PROG1 } }, /* Task Manager */
+	{ KE_KEY, 0xe1, { KEY_F14 } }, /* Change Resolution */
 	{ KE_KEY, 0xe9, { KEY_BRIGHTNESS_ZERO } },
 	{ KE_END, 0},
 };