flac: upgrade to 1.3.0

flac: upgrade to 1.3.0

- Updated description, bugtracker and source;
- Switched to ${BP} variable;
- 0001-No-AltiVec-on-SPE.patch,
flac-gcc43-fixes.patch, asm-pic.patch,
obsolete_automake_macros.patch patches
removed, included in upstream;
- Licenses checksums changed due to added
copyright owners and street adresses changed;
- Backported 1.3.0 specific fix;
- Removed obsolete PPC fix;
- Added support for SSE optimizations;
- Removed default ${S} definition;
- Removed xmms unneeded prefixes.

Build on all qemu arch;
Tested on qemux86-64 and qemuppc.

Signed-off-by: Cristian Iorga <cristian.iorga@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>