Let the compiler worry about implementing ffs(3).

It does at least as good a job as our old hand-written assembly anyway.

Change-Id: If7c4a1ac508bace0b71ee7b67808caa6eabf11d2
diff --git a/libc/arch-mips/mips.mk b/libc/arch-mips/mips.mk
index 5b7d8ee..3ebedd0 100644
--- a/libc/arch-mips/mips.mk
+++ b/libc/arch-mips/mips.mk
@@ -1,20 +1,19 @@
 _LIBC_ARCH_COMMON_SRC_FILES := \
-    arch-mips/bionic/__get_sp.S \
-    arch-mips/bionic/__set_tls.c \
-    arch-mips/bionic/_exit_with_stack_teardown.S \
-    arch-mips/bionic/_setjmp.S \
-    arch-mips/bionic/futex_mips.S \
     arch-mips/bionic/bzero.S \
     arch-mips/bionic/cacheflush.cpp \
     arch-mips/bionic/clone.S \
-    arch-mips/bionic/ffs.S \
+    arch-mips/bionic/_exit_with_stack_teardown.S \
+    arch-mips/bionic/futex_mips.S \
+    arch-mips/bionic/__get_sp.S \
     arch-mips/bionic/memcmp16.S \
     arch-mips/bionic/memmove.c \
+    arch-mips/bionic/_setjmp.S \
     arch-mips/bionic/setjmp.S \
+    arch-mips/bionic/__set_tls.c \
     arch-mips/bionic/sigsetjmp.S \
     arch-mips/bionic/vfork.S \
-    arch-mips/string/memset.S \
     arch-mips/string/memcpy.S \
+    arch-mips/string/memset.S \
     arch-mips/string/mips_strlen.c \
 
 _LIBC_ARCH_STATIC_SRC_FILES := \