soc/amd: use common ACPI_SCI_IRQ definition

ACPI_SCI_IRQ is defined as 9 for all AMD SoCs, so move the definition to
the common amdblocks/acpi.h. Since all but Stoneyridge's soc/acpi.h are
now empty, delete those files too.

Signed-off-by: Felix Held <felix-coreboot@felixheld.de>
Change-Id: I8210c98dc4cf2c6001d5273d132053278ff7fea5
Reviewed-on: https://review.coreboot.org/c/coreboot/+/80222
Reviewed-by: Matt DeVillier <matt.devillier@amd.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/google/guybrush/mainboard.c b/src/mainboard/google/guybrush/mainboard.c
index af79a5e..18d5e8f 100644
--- a/src/mainboard/google/guybrush/mainboard.c
+++ b/src/mainboard/google/guybrush/mainboard.c
@@ -2,6 +2,7 @@
 
 #include <acpi/acpi.h>
 #include <acpi/acpigen.h>
+#include <amdblocks/acpi.h>
 #include <amdblocks/acpimmio.h>
 #include <amdblocks/amd_pci_util.h>
 #include <amdblocks/psp.h>
@@ -12,7 +13,6 @@
 #include <device/device.h>
 #include <drivers/i2c/tpm/chip.h>
 #include <gpio.h>
-#include <soc/acpi.h>
 #include <variant/ec.h>
 
 #define BACKLIGHT_GPIO			GPIO_129