sh: fix build error in cache.h

In the latest U-Boot, the include/common.h includes the asm/cache.h. So, the dcache_invalid_range() in the arch/sh/include/asm/cache.h is multiple defination.

sh4-linux-gnu-ld -e 0x8FFC0000 --defsym reloc_dst=0x8FFC0000 -r -o libsh4.o cpu.o interrupts.o watchdog.o cache.o start.o interrupts.o: In function `dcache_wback_range':
/home/u-boot/u-boot-sh/include/asm/cache.h:14: multiple definition of dcache_wback_range' cpu.o:/home/shimoda/development/u-boot/u-boot-sh/include/asm/cache.h:14: first defined here interrupts.o: In function dcache_invalid_range':
/home/u-boot/u-boot-sh/include/asm/cache.h:25: multiple definition of `dcache_invalid_range' cpu.o:/home/shimoda/development/u-boot/u-boot-sh/include/asm/cache.h:25: first defined here
...

---
 arch/sh/include/asm/cache.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

index 6ffab4d..978cd8c 100644
@@ -10,7 +10,7 @@ int cache_control(unsigned int cmd);
 struct __large_struct { unsigned long buf[100]; };
 #define __m(x) (*(struct __large_struct *)(x))
 
-void dcache_wback_range(u32 start, u32 end)
+static inline void dcache_wback_range(u32 start, u32 end)
 {
 	u32 v;
 

@@ -21,7 +21,7 @@ void dcache_wback_range(u32 start, u32 end)
 	}
 }
 
-void dcache_invalid_range(u32 start, u32 end)
+static inline void dcache_invalid_range(u32 start, u32 end)
 {
 	u32 v;
 

1.7.1

i posted a fix for this already:

	http://thread.gmane.org/gmane.comp.boot-loaders.u-boot/114290

i don't think we want to go this route with inline markings since it bloats the code ...
-mike
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Thank you for your point.
I should have looked at the mailing list more carefully before I submitted my patch...

Thanks,
Yoshihiro Shimoda