logger: xtensa: increase logger stack

Crashes observed with default logger stack. Xtensa usually needs more
thread stack.

Fixes #12201

Signed-off-by: Anas Nashif <[email protected]>

Author: nashif

subsys/logging/Kconfig

@@ -265,6 +265,7 @@ config LOG_PROCESS_THREAD_STACK_SIZE
 	int "Stack size for the internal log processing thread"
 	default 2048 if COVERAGE_GCOV
 	default 1024 if NO_OPTIMIZATIONS
+	default 1024 if XTENSA
 	default 768
 	help
 	  Set the internal stack size for log processing thread.