edac: i5100_edac: Remove unused i5100_recmema_dm_buf_id

Remove the function i5100_recmema_dm_buf_id() that is not used anywhere.

This was partially found by using a static code analysis program called
cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Link: http://lkml.kernel.org/r/1420999030-21770-1-git-send-email-rickard_strandqvist@spectrumdigital.se
Signed-off-by: Borislav Petkov <bp@suse.de>

drivers/edac/i5100_edac.c

@@ -279,11 +279,6 @@ static inline u32 i5100_recmema_rank(u32 a)
 	return i5100_nrecmema_rank(a);
 }
 
-static inline u32 i5100_recmema_dm_buf_id(u32 a)
-{
-	return i5100_nrecmema_dm_buf_id(a);
-}
-
 static inline u32 i5100_recmemb_cas(u32 a)
 {
 	return i5100_nrecmemb_cas(a);