console: Remove asmlinkage from console_init

We never call console_init from asm, so we don't need the asmlinkage.
This allows us to remove the arch/cpu.h include since we only needed it
for the asmlinkage #define.

BUG=b:179699789
TEST=build guybrush

Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: I9a7895d4f5cba59f6b05915fa4d6c6fd6ab85773
Reviewed-on: https://review.coreboot.org/c/coreboot/+/57568
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/console/init.c

@@ -45,7 +45,7 @@ int console_log_level(int msg_level)
 	return 0;
 }
 
-asmlinkage void console_init(void)
+void console_init(void)
 {
 	init_log_level();