soc/intel: Remove superfluous pointers variables

Change-Id: I639be58df358129c1f420cf8d1540edd408859a7
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/25572
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/soc/intel/cannonlake/memmap.c

@@ -316,7 +316,6 @@ void cbmem_top_init(void)
 void *cbmem_top(void)
 {
 	struct ebda_config ebda_cfg;
-	struct ebda_config *cfg = &ebda_cfg;
 
 	/*
 	 * Check if Tseg has been initialized, we will use this as a flag
@@ -327,7 +326,7 @@ void *cbmem_top(void)
 	if (sa_get_tseg_base() == 0)
 		return NULL;
 
-	retrieve_ebda_object(cfg);
+	retrieve_ebda_object(&ebda_cfg);
 
-	return (void *)(uintptr_t)cfg->tolum_base;
+	return (void *)(uintptr_t)ebda_cfg.tolum_base;
 }

src/soc/intel/common/block/ebda/ebda.c

@@ -40,13 +40,12 @@ static void create_soc_ebda(struct ebda_config *cfg)
 void fill_ebda_area(void)
 {
 	struct ebda_config ebda_cfg;
-	struct ebda_config *cfg = &ebda_cfg;
 
 	/* Initialize EBDA area early during romstage. */
 	setup_default_ebda();
-	create_soc_ebda(cfg);
-	create_mainboard_ebda(cfg);
-	write_ebda_data(cfg, sizeof(*cfg));
+	create_soc_ebda(&ebda_cfg);
+	create_mainboard_ebda(&ebda_cfg);
+	write_ebda_data(&ebda_cfg, sizeof(ebda_cfg));
 }
 
 void retrieve_ebda_object(struct ebda_config *cfg)

src/soc/intel/skylake/memmap.c

@@ -338,7 +338,6 @@ void cbmem_top_init(void)
 void *cbmem_top(void)
 {
 	struct ebda_config ebda_cfg;
-	struct ebda_config *cfg = &ebda_cfg;
 
 	/*
 	 * Check if Tseg has been initialized, we will use this as a flag
@@ -349,7 +348,7 @@ void *cbmem_top(void)
 	if (sa_get_tseg_base() == 0)
 		return NULL;
 
-	retrieve_ebda_object(cfg);
+	retrieve_ebda_object(&ebda_cfg);
 
-	return (void *)(uintptr_t)cfg->tolum_base;
+	return (void *)(uintptr_t)ebda_cfg.tolum_base;
 }