vboot: fix CONFIG_RESUME_PATH_SAME_AS_BOOT S3 resume logic

- should not check VBOOT_STARTS_IN_BOOTBLOCK to set context flag
- implement vboot_platform_is_resuming on platforms missing it
- add ACPI_INTEL_HARDWARE_SLEEP_VALUES to two intel southbridges

[ originally https://review.coreboot.org/c/coreboot/+/28750 ]

BUG=b:114018226
TEST=compile coreboot

Change-Id: I1ef0bcdfd01746198f8140f49698b58065d820b9
Signed-off-by: Joel Kitching <kitching@google.com>
Reviewed-on: https://review.coreboot.org/29060
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>

src/security/vboot/vboot_logic.c

@@ -309,7 +309,6 @@ void verstage_main(void)
 	 * does verification of memory init and thus must ensure it resumes with
 	 * the same slot that it booted from. */
 	if (IS_ENABLED(CONFIG_RESUME_PATH_SAME_AS_BOOT) &&
-	    IS_ENABLED(CONFIG_VBOOT_STARTS_IN_BOOTBLOCK) &&
 	    vboot_platform_is_resuming())
 		ctx.flags |= VB2_CONTEXT_S3_RESUME;