soc/amd: move check_mca prototype to soc/amd/common/blocks/include

Change-Id: Ia489dbfba59c334cf29f96a4000cef73b9b797d4
Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56279
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/amd/cezanne/cpu.c

@@ -1,6 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 
 #include <amdblocks/cpu.h>
+#include <amdblocks/mca.h>
 #include <amdblocks/reset.h>
 #include <amdblocks/smm.h>
 #include <assert.h>