trace-events: Shorten file names in comments

We spell out sub/dir/ in sub/dir/trace-events' comments pointing to
source files.  That's because when trace-events got split up, the
comments were moved verbatim.

Delete the sub/dir/ part from these comments.  Gets rid of several
misspellings.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190314180929.27722-3-armbru@redhat.com
Message-Id: <20190314180929.27722-3-armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
diff --git a/hw/rdma/trace-events b/hw/rdma/trace-events
index 12868d8..2022a82 100644
--- a/hw/rdma/trace-events
+++ b/hw/rdma/trace-events
@@ -1,6 +1,6 @@
 # See docs/devel/tracing.txt for syntax documentation.
 
-# hw/rdma/rdma_backend.c
+# rdma_backend.c
 rdma_check_dev_attr(const char *name, int max_bk, int max_fe) "%s: be=%d, fe=%d"
 rdma_create_ah_cache_hit(uint64_t subnet, uint64_t if_id) "subnet=0x%"PRIx64",if_id=0x%"PRIx64
 rdma_create_ah_cache_miss(uint64_t subnet, uint64_t if_id) "subnet=0x%"PRIx64",if_id=0x%"PRIx64
@@ -17,7 +17,7 @@
 rdma_backend_get_gid_index(uint64_t subnet, uint64_t ifid, int gid_idx) "subnet=0x%"PRIx64", ifid=0x%"PRIx64 ", gid_idx=%d"
 rdma_backend_gid_change(const char *op, uint64_t subnet, uint64_t ifid) "%s subnet=0x%"PRIx64", ifid=0x%"PRIx64
 
-# hw/rdma/rdma_rm.c
+# rdma_rm.c
 rdma_res_tbl_get(char *name, uint32_t handle) "tbl %s, handle %d"
 rdma_res_tbl_alloc(char *name, uint32_t handle) "tbl %s, handle %d"
 rdma_res_tbl_dealloc(char *name, uint32_t handle) "tbl %s, handle %d"
@@ -26,6 +26,6 @@
 rdma_rm_alloc_qp(uint32_t rm_qpn, uint32_t backend_qpn, uint8_t qp_type) "rm_qpn=%d, backend_qpn=0x%x, qp_type=%d"
 rdma_rm_modify_qp(uint32_t qpn, uint32_t attr_mask, int qp_state, uint8_t sgid_idx) "qpn=0x%x, attr_mask=0x%x, qp_state=%d, sgid_idx=%d"
 
-# hw/rdma/rdma_utils.c
+# rdma_utils.c
 rdma_pci_dma_map(uint64_t addr, void *vaddr, uint64_t len) "0x%"PRIx64" -> %p (len=%" PRId64")"
 rdma_pci_dma_unmap(void *vaddr) "%p"