After commit
  5d32a66541c4 ("PCI/ACPI: Allow ACPI to be built without CONFIG_PCI set")
dependencies on CONFIG_PCI that previously were satisfied implicitly
through dependencies on CONFIG_ACPI have to be specified directly.
PCI_LOCKLESS_CONFIG depends on PCI but this dependency has not been
mentioned in the Kconfig so add an explicit dependency here and fix
  WARNING: unmet direct dependencies detected for PCI_LOCKLESS_CONFIG
    Depends on [n]: PCI [=n]
    Selected by [y]:
    - X86 [=y]
Fixes: 5d32a66541c46 ("PCI/ACPI: Allow ACPI to be built without CONFIG_PCI set")
Signed-off-by: Sinan Kaya <okaya@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-acpi@vger.kernel.org
Cc: x86-ml <x86@kernel.org>
Link: https://lkml.kernel.org/r/20190121231958.28255-2-okaya@kernel.org
 
        select IRQ_FORCED_THREADING
        select NEED_SG_DMA_LENGTH
        select PCI_DOMAINS                      if PCI
-       select PCI_LOCKLESS_CONFIG
+       select PCI_LOCKLESS_CONFIG              if PCI
        select PERF_EVENTS
        select RTC_LIB
        select RTC_MC146818_LIB