[PATCH v2] doc: log: correct option name CONFIG_LOG_MAX_LEVEL

[Patrick Delaunay <patrick.delaunay@st.com>]

Replace CONFIG_(SPL_)MAX_LOG_LEVEL by the correct name as defined in
common/Kconfig:
line 668:config LOG_MAX_LEVEL
line 688:config SPL_LOG_MAX_LEVEL
line 708:config TPL_LOG_MAX_LEVEL

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
---

Changes in v2:
- add commnet for TPL with CONFIG_TPL_LOG_MAX_LEVEL example

 doc/README.log | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/doc/README.log b/doc/README.log
index 1057981f45..ba838824a9 100644
--- a/doc/README.log
+++ b/doc/README.log
@@ -60,13 +60,14 @@ Enabling logging
 The following options are used to enable logging at compile time:
 
    CONFIG_LOG		- Enables the logging system
-   CONFIG_MAX_LOG_LEVEL - Max log level to build (anything higher is compiled
+   CONFIG_LOG_MAX_LEVEL - Max log level to build (anything higher is compiled
 				out)
    CONFIG_LOG_CONSOLE	- Enable writing log records to the console
 
 If CONFIG_LOG is not set, then no logging will be available.
 
-The above have SPL versions also, e.g. CONFIG_SPL_MAX_LOG_LEVEL.
+The above have SPL and TPL versions also, e.g. CONFIG_SPL_LOG_MAX_LEVEL and
+CONFIG_TPL_LOG_MAX_LEVEL.
 
 
 Temporary logging within a single file
-- 
2.17.1