qrtr: Move to postcore_initcall

Registering qrtr with module_init makes the ability of typical platform
code to create AF_QIPCRTR socket during probe a matter of link order
luck. Moving qrtr to postcore_initcall() avoids this.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c
index c2f5c13..78418f3 100644
--- a/net/qrtr/qrtr.c
+++ b/net/qrtr/qrtr.c
@@ -1085,7 +1085,7 @@
 	return 0;
 static void __exit qrtr_proto_fini(void)