[FFmpeg-cvslog] configure: ppc: Disable ldbrx instruction by default

[Diego Biurrun]

ffmpeg | branch: master | Diego Biurrun <diego at biurrun.de> | Fri Mar 14 17:20:59 2014 +0100| [606cc8afa1cb782311f68560c8f9bad978cdcc32] | committer: Diego Biurrun

configure: ppc: Disable ldbrx instruction by default

Only enable it for CPUs that support it.
This restores the behavior prior to 7a650caf.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=606cc8afa1cb782311f68560c8f9bad978cdcc32
---

 configure |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/configure b/configure
index b687790..fced12f 100755
--- a/configure
+++ b/configure
@@ -3135,6 +3135,8 @@ elif enabled mips; then
 
 elif enabled ppc; then
 
+    disable ldbrx
+
     case $(tolower $cpu) in
         601|ppc601|powerpc601)
             cpuflags="-mcpu=601"