sh: pci: Fix up the build for CONFIG_PCI=n.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/include/asm/pci.h b/arch/sh/include/asm/pci.h
index f9101215..5b2e0fc 100644
--- a/arch/sh/include/asm/pci.h
+++ b/arch/sh/include/asm/pci.h
@@ -88,6 +88,7 @@
 #define pci_unmap_len_set(PTR, LEN_NAME, VAL)	do { } while (0)
 #endif
 
+#ifdef CONFIG_PCI
 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
 					enum pci_dma_burst_strategy *strat,
 					unsigned long *strategy_parameter)
@@ -95,6 +96,7 @@
 	*strat = PCI_DMA_BURST_INFINITY;
 	*strategy_parameter = ~0UL;
 }
+#endif
 
 #ifdef CONFIG_SUPERH32
 /*