Blackfin: fix hweight breakage

The recent commit to add constant optimization to hweight implicitly broke
the Blackfin arch.  Seems we were missed when all the other arches were
fixed with renames.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/include/asm/bitops.h b/arch/blackfin/include/asm/bitops.h
index d5872cd..3f7ef4d 100644
--- a/arch/blackfin/include/asm/bitops.h
+++ b/arch/blackfin/include/asm/bitops.h
@@ -22,7 +22,9 @@
 
 #include <asm-generic/bitops/sched.h>
 #include <asm-generic/bitops/ffs.h>
+#include <asm-generic/bitops/const_hweight.h>
 #include <asm-generic/bitops/lock.h>
+
 #include <asm-generic/bitops/ext2-non-atomic.h>
 #include <asm-generic/bitops/ext2-atomic.h>
 #include <asm-generic/bitops/minix.h>
@@ -115,7 +117,7 @@
  * of bits set) of a N-bit word
  */
 
-static inline unsigned int hweight32(unsigned int w)
+static inline unsigned int __arch_hweight32(unsigned int w)
 {
 	unsigned int res;
 
@@ -125,19 +127,20 @@
 	return res;
 }
 
-static inline unsigned int hweight64(__u64 w)
+static inline unsigned int __arch_hweight64(__u64 w)
 {
-	return hweight32((unsigned int)(w >> 32)) + hweight32((unsigned int)w);
+	return __arch_hweight32((unsigned int)(w >> 32)) +
+	       __arch_hweight32((unsigned int)w);
 }
 
-static inline unsigned int hweight16(unsigned int w)
+static inline unsigned int __arch_hweight16(unsigned int w)
 {
-	return hweight32(w & 0xffff);
+	return __arch_hweight32(w & 0xffff);
 }
 
-static inline unsigned int hweight8(unsigned int w)
+static inline unsigned int __arch_hweight8(unsigned int w)
 {
-	return hweight32(w & 0xff);
+	return __arch_hweight32(w & 0xff);
 }
 
 #endif				/* _BLACKFIN_BITOPS_H */