Correct ffs/fls regression for PowerPC etc

Commits

  02f99901ed1c9d828e3ea117f94ce2264bf8389e
  52d61227b66d4099b39c8309ab37cb67ee09a405

introduced a regression where platform-specific ffs/fls implementations
were defined away. This patch corrects that by using PLATFORM_xxx
instead of the name itself.

Signed-off-by: Simon Kagstrom <simon.kagstrom@netinsight.net>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Stefan Roese <sr@denx.de>
diff --git a/include/asm-blackfin/bitops.h b/include/asm-blackfin/bitops.h
index cc3685d..ab1fea5 100644
--- a/include/asm-blackfin/bitops.h
+++ b/include/asm-blackfin/bitops.h
@@ -79,7 +79,7 @@
 	mask = 1 << (nr & 0x1f);
 	*a |= mask;
 }
-#define __set_bit
+#define PLATFORM__SET_BIT
 
 /*
  * clear_bit() doesn't provide any barrier for the compiler.
@@ -270,14 +270,6 @@
 }
 
 /*
- * ffs: find first bit set. This is defined the same way as
- * the libc and compiler builtin ffs routines, therefore
- * differs in spirit from the above ffz (man ffs).
- */
-
-#define ffs(x)		generic_ffs(x)
-
-/*
  * hweightN: returns the hamming weight (i.e. the number
  * of bits set) of a N-bit word
  */