gpsd: fix greis driver build with reconfigure disabled
Add a patch fixing undefined function build failure when reconfigure
support is disabled.
Fixes:
http://autobuild.buildroot.net/results/a13/
a13a5d852c83cd1fc9f2d1fc2b7302db515278b8/
http://autobuild.buildroot.net/results/185/
18599ea12a35b9715a67c1f4e5c4e56906235c94/
http://autobuild.buildroot.net/results/c00/
c00d22a6dcadb82a19afab6eacea654d3c41b4c5/
Cc: Zoltan Gyarmati <zgyarmati@zgyarmati.de>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>