DEVELOPERS: add Maxim Kochetkov for postgis

Signed-off-by: Maxim Kochetkov <fido_max@inbox.ru>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

DEVELOPERS

@@ -1840,6 +1840,7 @@ N:	Max Filippov <jcmvbkbc@gmail.com>
 F:	arch/Config.in.xtensa
 
 N:	Maxim Kochetkov <fido_max@inbox.ru>
+F:	package/postgis/
 F:	package/protozero/
 F:	package/timescaledb/