Add patch to avoid the enable/disable-debug options from unsetting -g
from CFLAGS in an incorrect way which breaks -mfloat-gprs=X (translit to
-mfloatprs=X).
It's possible to affect other less common CFLAGS with a '-g' in any
position.
Upstream status: sent different patch (configure.ac) - to avoid
autoreconfiguring.
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>