sh: Bring kmap_coherent() out-of-line.

kmap_coherent() has gotten too big to leave as an inline, so we
bring it out-of-line.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/mm/pg-mmu.c

@@ -31,7 +31,7 @@ void __init kmap_coherent_init(void)
 #endif
 }
 
-static inline void *kmap_coherent(struct page *page, unsigned long addr)
+static void *kmap_coherent(struct page *page, unsigned long addr)
 {
 	enum fixed_addresses idx;
 	unsigned long vaddr, flags;