x86: remove __init modifier from header declaration

This patch removes the __init modifier from an extern function
declaration in acpi.h.

Besides not being strictly needed, it requires the inclusion of
linux/init.h, which is usually not even included directly, increasing
header mess by a lot.
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

include/asm-x86/acpi.h

@@ -158,7 +158,7 @@ extern int acpi_scan_nodes(unsigned long start, unsigned long end);
 #ifdef CONFIG_X86_64
 # define NR_NODE_MEMBLKS (MAX_NUMNODES*2)
 #endif
-extern void __init acpi_fake_nodes(const struct bootnode *fake_nodes,
+extern void acpi_fake_nodes(const struct bootnode *fake_nodes,
 				   int num_nodes);
 #else
 static inline void acpi_fake_nodes(const struct bootnode *fake_nodes,