libcamera: base: log: Inline LOG() into ASSERT()

Avoid the conditional logic in the expansion of `LOG()` inside `ASSERT()` by
directly calling `_log(...)` with the appropriate parameters.

Signed-off-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

include/libcamera/base/log.h

@@ -132,8 +132,9 @@ LogMessage _log(const LogCategory &category, LogSeverity severity,
 #ifndef NDEBUG
 #define ASSERT(condition) static_cast<void>(({                          \
 	if (!(condition))                                               \
-		LOG(Fatal) << "assertion \"" #condition "\" failed in " \
-			   << __func__ << "()";                         \
+		_log(LogCategory::defaultCategory(), LogFatal).stream() \
+			<< "assertion \"" #condition "\" failed in "    \
+			<< __func__ << "()";                            \
 }))
 #else
 #define ASSERT(condition) static_cast<void>(false && (condition))