asm-generic: ffs: Drop bogus reference to ffz location

The generic definition of ffz() is not defined in the same header files
as the generic definitions of ffs().
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

include/asm-generic/bitops/builtin-ffs.h

@@ -8,7 +8,7 @@
  *
  * This is defined the same way as
  * the libc and compiler builtin ffs routines, therefore
- * differs in spirit from the above ffz (man ffs).
+ * differs in spirit from ffz (man ffs).
  */
 #define ffs(x) __builtin_ffs(x)
 

include/asm-generic/bitops/ffs.h

@@ -8,7 +8,7 @@
  *
  * This is defined the same way as
  * the libc and compiler builtin ffs routines, therefore
- * differs in spirit from the above ffz (man ffs).
+ * differs in spirit from ffz (man ffs).
  */
 static inline int ffs(int x)
 {