soc/intel/tigerlake: Add ACPI devices for FSPI, SRAM, HEC1

Add ACPI devices for these components so that generated LPI constraints
for them have valid device references.

TEST=tested with rest of patch train

Change-Id: Ib70dc29f54d28ec1fe7b630ab3fab24bcdd08154
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78519
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/soc/intel/tigerlake/acpi/pcie.asl

@@ -475,3 +475,13 @@ Device (RP24)
 	}
 }
 #endif /* CONFIG(SOC_INTEL_TIGERLAKE_PCH_H) */
+
+Device (SRAM)
+{
+	Name (_ADR, 0x00140002)
+}
+
+Device (HEC1)
+{
+	Name (_ADR, 0x00160000)
+}

src/soc/intel/tigerlake/acpi/serialio.asl

@@ -79,3 +79,9 @@ Device (UAR2)
 	Name (_ADR, 0x00190002)
 	Name (_DDN, "Serial IO UART Controller 2")
 }
+
+Device (FSPI)
+{
+	Name (_ADR, 0x001f0005)
+	Name (_DDN, "Fast SPI")
+}