AMD binaryPI: Delay ACPI S3 backup until ramstage loader

Change-Id: I482cf93fe5dfab95817c87c32aad33df2e0a6439
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/15471
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/cpu/amd/pi/s3_resume.c

@@ -289,10 +289,5 @@ void prepare_for_resume(void)
 	printk(BIOS_DEBUG, "CAR disabled.\n");
 	set_resume_cache();
 
-	/*
-	 * Copy the system memory that is in the ramstage area to the
-	 * reserved area.
-	 */
-	acpi_prepare_for_resume();
 }
 #endif