include/console: Add CFR object for setting the logging level

Add a header with a CFR object for setting the coreboot console log
level, so that all mainboards can make use of it without duplication.

Change-Id: I473421e0e6b2031eb9846f5a798b427104dc3af3
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/87487
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Sean Rhodes <sean@starlabs.systems>

src/include/console/cfr.h

@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/*
+ * CFR enums and structs for console
+ */
+
+#ifndef _CONSOLE_CFR_H_
+#define _CONSOLE_CFR_H_
+
+#include <drivers/option/cfr_frontend.h>
+
+const struct sm_object debug_level = SM_DECLARE_ENUM({
+	.opt_name	= "debug_level",
+	.ui_name	= "Console Log Level",
+	.ui_helptext	= "Set the verbosity of the coreboot console output.",
+	.default_value	= CONFIG_DEFAULT_CONSOLE_LOGLEVEL,
+	.values		= (const struct sm_enum_value[]) {
+				{ "Emergency",		0		},
+				{ "Alert",		1		},
+				{ "Critical",		2		},
+				{ "Error",		3		},
+				{ "Warning",		4		},
+				{ "Notice",		5		},
+				{ "Info",		6		},
+				{ "Debug",		7		},
+				{ "Spew",		8		},
+				SM_ENUM_VALUE_END			},
+});
+
+#endif /* _CONSOLE_CFR_H_ */