acpi/acpi_pm.c: refactor acpi_pm_state_for_* functions

Use just one function to get the chipset powerstate and add an argument
to specify the powerstate claimer {RTC,ELOG,WAKE} and adjust the
failure log accordingly.

TEST: compile tested and qemu emulation successfully run

Signed-off-by: Fabio Aiuto <fabioaiuto83@gmail.com>
Change-Id: I8addc0b05f9e360afc52091c4bb731341d7213cf
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67618
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

src/soc/amd/common/block/acpi/acpi.c

@@ -79,7 +79,7 @@ void acpi_pm_gpe_add_events_print_events(void)
 	const struct chipset_power_state *ps;
 	const struct acpi_pm_gpe_state *state;
 
-	if (acpi_pm_state_for_elog(&ps) < 0)
+	if (acpi_fetch_pm_state(&ps, PS_CLAIMER_ELOG) < 0)
 		return;
 
 	state = &ps->gpe_state;

src/soc/amd/common/block/acpi/pm_state.c

@@ -50,7 +50,7 @@ static void acpi_save_wake_source(void *unused)
 
 	if (acpi_reset_gnvs_for_wake(&gnvs) < 0)
 		return;
-	if (acpi_pm_state_for_wake(&ps) < 0)
+	if (acpi_fetch_pm_state(&ps, PS_CLAIMER_WAKE) < 0)
 		return;
 
 	pm_fill_gnvs(gnvs, &ps->gpe_state);

src/soc/amd/common/block/gpio/gpio.c

@@ -386,7 +386,7 @@ void gpio_add_events(void)
 	unsigned int i;
 	unsigned int end;
 
-	if (acpi_pm_state_for_elog(&ps) < 0)
+	if (acpi_fetch_pm_state(&ps, PS_CLAIMER_ELOG) < 0)
 		return;
 	state = &ps->gpio_state;