sh: add memory resources to /proc/iomem

Add physical memory resources such as System RAM, Kernel code/data/bss
and reserved crash dump area to /proc/iomem. Same strategy as on x86.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/include/asm-sh/mmzone.h b/include/asm-sh/mmzone.h
index 7969f38..2969253 100644
--- a/include/asm-sh/mmzone.h
+++ b/include/asm-sh/mmzone.h
@@ -41,6 +41,8 @@
 
 /* arch/sh/kernel/setup.c */
 void __init setup_bootmem_allocator(unsigned long start_pfn);
+void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
+			       unsigned long end_pfn);
 
 #endif /* __KERNEL__ */
 #endif /* __ASM_SH_MMZONE_H */