soc/intel: Factor out identical acpigen GPIO helpers

Change-Id: I27f198d403f6ba05ba72ae0652da224d4cbf323a
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50938
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/soc/intel/common/block/acpi/Kconfig b/src/soc/intel/common/block/acpi/Kconfig
index 8912ff3..6aa3abc 100644
--- a/src/soc/intel/common/block/acpi/Kconfig
+++ b/src/soc/intel/common/block/acpi/Kconfig
@@ -5,6 +5,9 @@
 	help
 	  Intel Processor common code for ACPI
 
+config SOC_INTEL_COMMON_BLOCK_ACPI_GPIO
+	bool
+
 config SOC_INTEL_COMMON_BLOCK_ACPI_LPIT
 	bool
 	depends on HAVE_ACPI_TABLES