soc/intel: Obsolete mmap_region_granularity()

Change-Id: I471598d3ce61b70e35adba3bd983f5d823ba3816
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34696
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

src/soc/intel/skylake/memmap.c

@@ -30,17 +30,6 @@
 
 #include "chip.h"
 
-size_t mmap_region_granularity(void)
-{
-	if (CONFIG(HAVE_SMI_HANDLER))
-		/* Align to TSEG size when SMM is in use */
-		if (CONFIG_SMM_TSEG_SIZE != 0)
-			return CONFIG_SMM_TSEG_SIZE;
-
-	/* Make it 8MiB by default. */
-	return 8*MiB;
-}
-
 void smm_region(void **start, size_t *size)
 {
 	*start = (void *)sa_get_tseg_base();