[POWERPC] Fix section mismatch in pasemi/iommu.c

These functions are only called by __init functions.

WARNING: vmlinux.o(.text+0x56aa0): Section mismatch: reference to .init.text:.lmb_alloc (between '.iob_init' and '.iommu_init_early_pasemi')
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/platforms/pasemi/iommu.c

@@ -187,7 +187,7 @@ static void pci_dma_dev_setup_pasemi(struct pci_dev *dev)
 static void pci_dma_bus_setup_null(struct pci_bus *b) { }
 static void pci_dma_dev_setup_null(struct pci_dev *d) { }
 
-int iob_init(struct device_node *dn)
+int __init iob_init(struct device_node *dn)
 {
 	unsigned long tmp;
 	u32 regword;
@@ -233,7 +233,7 @@ int iob_init(struct device_node *dn)
 
 
 /* These are called very early. */
-void iommu_init_early_pasemi(void)
+void __init iommu_init_early_pasemi(void)
 {
 	int iommu_off;