kunimitsu: Add FSP 2.0 support in romstage

Populate mainboard related Memory Init Params i.e, SPD
Rcomp values, DQ and DQs values.

Change-Id: Id62c43a72a0e34fa2e8d177ce895d395418e2347
Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Signed-off-by: Naresh G Solanki <naresh.solanki@intel.com>
Reviewed-on: https://review.coreboot.org/16316
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/mainboard/intel/kunimitsu/romstage.c b/src/mainboard/intel/kunimitsu/romstage.c
index 84c2b6f..29ffb61 100644
--- a/src/mainboard/intel/kunimitsu/romstage.c
+++ b/src/mainboard/intel/kunimitsu/romstage.c
@@ -25,16 +25,7 @@
 
 void mainboard_romstage_entry(struct romstage_params *params)
 {
-	/* PCH_MEM_CFG[3:0] */
-	gpio_t spd_gpios[] = {
-		GPIO_MEM_CONFIG_0,
-		GPIO_MEM_CONFIG_1,
-		GPIO_MEM_CONFIG_2,
-		GPIO_MEM_CONFIG_3,
-	};
-
-	params->pei_data->mem_cfg_id = gpio_base2_value(spd_gpios,
-							ARRAY_SIZE(spd_gpios));
+	params->pei_data->mem_cfg_id = get_spd_index();
 	/* Fill out PEI DATA */
 	mainboard_fill_pei_data(params->pei_data);
 	mainboard_fill_spd_data(params->pei_data);