[PATCH] Fix references to trace doc

[Vincent Stehlé]

The README.trace has been moved and converted to rst in commit dce26c7d56ed
("doc: move README.trace to HTML documentation"); fix all the remaining
references to this file.

Signed-off-by: Vincent Stehlé <vincent.stehle at arm.com>
Cc: Tom Rini <trini at konsulko.com>
Cc: Simon Glass <sjg at chromium.org>
Cc: Heinrich Schuchardt <xypron.glpk at gmx.de>
---
 cmd/Kconfig                   | 4 ++--
 doc/develop/tests_sandbox.rst | 2 +-
 lib/Kconfig                   | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/cmd/Kconfig b/cmd/Kconfig
index 38305197602..f9f271616d3 100644
--- a/cmd/Kconfig
+++ b/cmd/Kconfig
@@ -2832,8 +2832,8 @@ config CMD_TRACE
 	  Enables a command to control using of function tracing within
 	  U-Boot. This allows recording of call traces including timing
 	  information. The command can write data to memory for exporting
-	  for analysis (e.g. using bootchart). See doc/README.trace for full
-	  details.
+	  for analysis (e.g. using bootchart). See doc/develop/trace.rst
+	  for full details.
 
 config CMD_AVB
 	bool "avb - Android Verified Boot 2.0 operations"
diff --git a/doc/develop/tests_sandbox.rst b/doc/develop/tests_sandbox.rst
index bfd3bdb9270..c2824834d07 100644
--- a/doc/develop/tests_sandbox.rst
+++ b/doc/develop/tests_sandbox.rst
@@ -29,7 +29,7 @@ Some of the available tests are:
      - test/image/test-imagetools.sh - multi-file images
      - test/py/tests/test-fit.py     - FIT images
   - tracing: test/trace/test-trace.sh tests the tracing system (see
-      README.trace)
+      doc/develop/trace.rst)
   - verified boot: test/py/tests/test_vboot.py
 
 If you change or enhance any U-Boot subsystem, you should write or expand a
diff --git a/lib/Kconfig b/lib/Kconfig
index 37ac14f7bab..efb77978a65 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -348,7 +348,7 @@ config TRACE
 	  Enables function tracing within U-Boot. This allows recording of call
 	  traces including timing information. The command can write data to
 	  memory for exporting for analysis (e.g. using bootchart).
-	  See doc/README.trace for full details.
+	  See doc/develop/trace.rst for full details.
 
 config TRACE_BUFFER_SIZE
 	hex "Size of trace buffer in U-Boot"
-- 
2.43.0