[POWREPC] Fixup a number of modpost warnings on ppc32

Fixed the following warnings:

WARNING: vmlinux.o(.text+0x2934): Section mismatch: reference to .init.text:__alloc_bootmem (between 'irq_alloc_host' and 'irq_set_default_host')
WARNING: vmlinux.o(.text+0xb2aa): Section mismatch: reference to .init.data:boot_command_line (between 'register_early_udbg_console' and 'udbg_printf')
WARNING: vmlinux.o(.text+0xb2b2): Section mismatch: reference to .init.data:boot_command_line (between 'register_early_udbg_console' and 'udbg_printf')
WARNING: vmlinux.o(.text+0xe354): Section mismatch: reference to .init.text:__alloc_bootmem (between 'pcibios_alloc_controller' and 'pci_domain_nr')
WARNING: vmlinux.o(.text+0x12768): Section mismatch: reference to .init.text:update_bridge_resource (between 'quirk_fsl_pcie_transparent' and 'indirect_read_config')
WARNING: vmlinux.o(.text+0x127a8): Section mismatch: reference to .init.text:update_bridge_resource (between 'quirk_fsl_pcie_transparent' and 'indirect_read_config')
WARNING: vmlinux.o(.text+0x17566c): Section mismatch: reference to .init.text:pcibios_fixup_bus (between 'pci_scan_child_bus' and 'pci_scan_bus_parented')
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/kernel/irq.c

@@ -418,7 +418,7 @@ irq_hw_number_t virq_to_hw(unsigned int virq)
 }
 EXPORT_SYMBOL_GPL(virq_to_hw);
 
-struct irq_host *irq_alloc_host(unsigned int revmap_type,
+__init_refok struct irq_host *irq_alloc_host(unsigned int revmap_type,
 						unsigned int revmap_arg,
 						struct irq_host_ops *ops,
 						irq_hw_number_t inval_irq)

arch/powerpc/kernel/pci-common.c

@@ -65,7 +65,7 @@ static void __devinit pci_setup_pci_controller(struct pci_controller *hose)
 	spin_unlock(&hose_spinlock);
 }
 
-struct pci_controller * pcibios_alloc_controller(struct device_node *dev)
+__init_refok struct pci_controller * pcibios_alloc_controller(struct device_node *dev)
 {
 	struct pci_controller *phb;
 

arch/powerpc/kernel/pci_32.c

@@ -1247,7 +1247,7 @@ pcibios_init(void)
 
 subsys_initcall(pcibios_init);
 
-void __init pcibios_fixup_bus(struct pci_bus *bus)
+void pcibios_fixup_bus(struct pci_bus *bus)
 {
 	struct pci_controller *hose = (struct pci_controller *) bus->sysdata;
 	unsigned long io_offset;

arch/powerpc/kernel/udbg.c

@@ -155,7 +155,7 @@ static int early_console_initialized;
  * Called by setup_system after ppc_md->probe and ppc_md->early_init.
  * Call it again after setting udbg_putc in ppc_md->setup_arch.
  */
-void register_early_udbg_console(void)
+void __init register_early_udbg_console(void)
 {
 	if (early_console_initialized)
 		return;

arch/powerpc/sysdev/fsl_pci.c

@@ -107,7 +107,7 @@ void __init setup_pci_cmd(struct pci_controller *hose)
 	}
 }
 
-static void __devinit quirk_fsl_pcie_transparent(struct pci_dev *dev)
+static void __init quirk_fsl_pcie_transparent(struct pci_dev *dev)
 {
 	struct resource *res;
 	int i, res_idx = PCI_BRIDGE_RESOURCES;