Summary * Prepare Linaro binary toolchain 2012.09 release * Fix lp:1036170/pr50970

Details: 1. Prepare Linaro binary toolchain 2012.09 release * Update linaro gcc and gdb to 2012.09 release * Workaround gdb lsb build issue. * Strip gdbserver. * Smoke tests.

2. Merge shrink-wrap patch to lp:gcc for cbuild test. But dwarf checks fail when building fortan related codes at stage 2.

3. Identify the root cause of lp:1036170/pr50970 and work out a patch to fix it.

Plans: * Linaro binary toolchain 2012.09 release. * Fix shrink-wrap build fail issues.

Planed leaves: * Sept. 30 - Oct. 7: Mid-Autumn Festival and National Day of China's holiday.

Best regards! -Zhenqiang