[RFA 10/12] Update help text in record-btrace.c

[Tom Tromey <tom@tromey.com>]

This updates the help text in record-btrace.c to conform to GNU
standards.

2018-04-29  Tom Tromey  <tom@tromey.com>

	* record-btrace.c (_initialize_record_btrace): Update help text.
---
 gdb/ChangeLog       | 4 ++++
 gdb/record-btrace.c | 4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/gdb/record-btrace.c b/gdb/record-btrace.c
index 8736894243..dba5245832 100644
--- a/gdb/record-btrace.c
+++ b/gdb/record-btrace.c
@@ -3236,8 +3236,8 @@ replay."),
   add_prefix_cmd ("cpu", class_support, cmd_set_record_btrace_cpu,
 		  _("\
 Set the cpu to be used for trace decode.\n\n\
-The format is \"<vendor>:<identifier>\" or \"none\" or \"auto\" (default).\n\
-For vendor \"intel\" the format is \"<family>/<model>[/<stepping>]\".\n\n\
+The format is \"VENDOR:IDENTIFIER\" or \"none\" or \"auto\" (default).\n\
+For vendor \"intel\" the format is \"FAMILY/MODEL[/STEPPING]\".\n\n\
 When decoding branch trace, enable errata workarounds for the specified cpu.\n\
 The default is \"auto\", which uses the cpu on which the trace was recorded.\n\
 When GDB does not support that cpu, this option can be used to enable\n\
-- 
2.13.6