Blackfin arch: smp patch cleanup from LKML review

1. Use inline get_l1_... functions instead of macro
2. Fix compile issue about smp barrier functions

Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
index 735413d..4c010ba 100644
--- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c
+++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
@@ -27,6 +27,7 @@
 #include <asm/cacheflush.h>
 #include <asm/cplb.h>
 #include <asm/cplbinit.h>
+#include <asm/mem_map.h>
 
 u_long icplb_tables[NR_CPUS][CPLB_TBL_ENTRIES+1];
 u_long dcplb_tables[NR_CPUS][CPLB_TBL_ENTRIES+1];