cmd: CONFIG_CMD_LOG select CONFIG_LOG

CONFIG_CMD_LOG without CONFIG_LOG leads to a build error:
‘gd_t {aka volatile struct global_data}’ has no member named
‘default_log_level’

So CMD_LOG should select LOG.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>

cmd/Kconfig

@@ -1660,6 +1660,7 @@ config CMD_KGDB
 
 config CMD_LOG
 	bool "log - Generation, control and access to logging"
+	select LOG
 	help
 	  This provides access to logging features. It allows the output of
 	  log data to be controlled to a limited extent (setting up the default