Removed most patches as they are no longer necessary for compilation.

Added some compiler and linker flags to reduce size.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

Move to new GitHub fork and switch to codeload tarballs.

Backported upstream patch to fix compilation.

Also update URL to fix uscan.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

Signed-off-by: Jacob Siverskog <jacob@teenageengineering.com>