soc/intel: Drop pmc_get_mainboard_power_failure_state_choice()

It's not needed anymore.

Change-Id: I273acb2bf1675dc947927e3e6d2ebb78aa94518a
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/29681
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
diff --git a/src/soc/intel/cannonlake/pmc.c b/src/soc/intel/cannonlake/pmc.c
index ecd47e0..aebcfc9 100644
--- a/src/soc/intel/cannonlake/pmc.c
+++ b/src/soc/intel/cannonlake/pmc.c
@@ -57,8 +57,7 @@
  */
 void pmc_soc_restore_power_failure(void)
 {
-	pmc_set_afterg3(PCH_DEV_PMC,
-		pmc_get_mainboard_power_failure_state_choice());
+	pmc_set_afterg3(PCH_DEV_PMC, CONFIG_MAINBOARD_POWER_FAILURE_STATE);
 }
 
 static void config_deep_sX(uint32_t offset, uint32_t mask, int sx, int enable)
@@ -106,8 +105,7 @@
 {
 	const char *state;
 
-	/* Get the chip configuration */
-	int pwr_on = pmc_get_mainboard_power_failure_state_choice();
+	const int pwr_on = CONFIG_MAINBOARD_POWER_FAILURE_STATE;
 
 	/*
 	 * Which state do we want to goto after g3 (power restored)?