sh: bitops: add hweight*() macros

Add hweight*() macros required for moving to new SF layer

Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
diff --git a/arch/sh/include/asm/bitops.h b/arch/sh/include/asm/bitops.h
index 8cb8385..765f28f 100644
--- a/arch/sh/include/asm/bitops.h
+++ b/arch/sh/include/asm/bitops.h
@@ -153,6 +153,10 @@
 }
 #define PLATFORM_FFS
 
+#define hweight32(x) generic_hweight32(x)
+#define hweight16(x) generic_hweight16(x)
+#define hweight8(x) generic_hweight8(x)
+
 #endif /* __KERNEL__ */
 
 #endif /* __ASM_SH_BITOPS_H */