arm64: select ACPI PCI code only when both features are enabled

ACPI and PCI are no longer coupled to each other. Specify requirements
for both when pulling in code.

Signed-off-by: Sinan Kaya <okaya@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

arch/arm64/Kconfig

@@ -5,7 +5,7 @@ config ARM64
 	select ACPI_GTDT if ACPI
 	select ACPI_IORT if ACPI
 	select ACPI_REDUCED_HARDWARE_ONLY if ACPI
-	select ACPI_MCFG if ACPI
+	select ACPI_MCFG if (ACPI && PCI)
 	select ACPI_SPCR_TABLE if ACPI
 	select ACPI_PPTT if ACPI
 	select ARCH_CLOCKSOURCE_DATA
@@ -163,7 +163,7 @@ config ARM64
 	select OF
 	select OF_EARLY_FLATTREE
 	select OF_RESERVED_MEM
-	select PCI_ECAM if ACPI
+	select PCI_ECAM if (ACPI && PCI)
 	select POWER_RESET
 	select POWER_SUPPLY
 	select REFCOUNT_FULL