soc: apple: rtkit: Add tracekit endpoint.

This system endpoint is advertised by AOP and also needs to be
turned on for it to function.

Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>

Author: WhatAmISupposedToPutHere

drivers/soc/apple/rtkit.c

@@ -21,6 +21,7 @@ enum {
 	APPLE_RTKIT_EP_DEBUG = 3,
 	APPLE_RTKIT_EP_IOREPORT = 4,
 	APPLE_RTKIT_EP_OSLOG = 8,
+	APPLE_RTKIT_EP_TRACEKIT = 0xa,
 };
 
 #define APPLE_RTKIT_MGMT_TYPE GENMASK_ULL(59, 52)
@@ -182,6 +183,7 @@ static void apple_rtkit_management_rx_epmap(struct apple_rtkit *rtk, u64 msg)
 		case APPLE_RTKIT_EP_DEBUG:
 		case APPLE_RTKIT_EP_IOREPORT:
 		case APPLE_RTKIT_EP_OSLOG:
+		case APPLE_RTKIT_EP_TRACEKIT:
 			dev_dbg(rtk->dev,
 				"RTKit: Starting system endpoint 0x%02x\n", ep);
 			apple_rtkit_start_ep(rtk, ep);