Changed qmake script to use MAVSDK directly instead of pkg-config,

because the MAVSDK Debian package has a broken pkg-config file.

src/autopilot.pro

@@ -1,9 +1,12 @@
 QT = core
-CONFIG += c++17 cmdline link_pkgconfig
-PKGCONFIG += mavsdk
+CONFIG += c++17 cmdline
 
 QMAKE_CXXFLAGS += -Wno-address-of-packed-member
 
+# MAVSDK pkg-config file is garbage. Add dependency manually
+INCLUDEPATH += /usr/include/mavsdk
+LIBS += /usr/lib/libmavsdk.so.2
+
 SOURCES += \
         az_action_point.cpp \
         az_coordinate.cpp \