sb/intel/lynxpoint: Move S3 check out of `early_pch_init`

Done for consistency with other platforms. This also drops redundant S3
resume logging, as `southbridge_detect_s3_resume` already prints it.

Tested on Asrock B85M Pro4, still boots and still resumes from S3.

Change-Id: Id96c5aedad80702ebf343dd0a351fbd4e7b1c6c1
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51438
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
diff --git a/src/southbridge/intel/lynxpoint/pch.h b/src/southbridge/intel/lynxpoint/pch.h
index 000d159..c799ca0 100644
--- a/src/southbridge/intel/lynxpoint/pch.h
+++ b/src/southbridge/intel/lynxpoint/pch.h
@@ -121,7 +121,7 @@
 void acpi_create_serialio_ssdt(acpi_header_t *ssdt);
 
 void enable_usb_bar(void);
-int early_pch_init(void);
+void early_pch_init(void);
 void pch_enable_lpc(void);
 void mainboard_config_superio(void);
 void mainboard_config_rcba(void);