x86: remove have_arch_parse_srat -v2

we already have the same srat handling interface for 32bit.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/Kconfig

@@ -460,10 +460,6 @@ config ACPI_SRAT
 	depends on X86_32 && ACPI && NUMA && X86_GENERICARCH
 	select ACPI_NUMA
 
-config HAVE_ARCH_PARSE_SRAT
-	def_bool y
-	depends on ACPI_SRAT
-
 config X86_SUMMIT_NUMA
 	def_bool y
 	depends on X86_32 && NUMA && X86_GENERICARCH

arch/x86/mm/discontig_32.c

@@ -443,20 +443,3 @@ int memory_add_physaddr_to_nid(u64 addr)
 EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
 #endif
 
-#if defined(CONFIG_ACPI_NUMA) && !defined(CONFIG_HAVE_ARCH_PARSE_SRAT)
-/*
- * Dummy on 32-bit, for now:
- */
-void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
-{
-}
-
-void __init
-acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
-{
-}
-
-void __init acpi_numa_arch_fixup(void)
-{
-}
-#endif