sdflight_default: define QC_SOC_TARGET if not set

cmake/configs/posix_sdflight_default.cmake

@@ -1,5 +1,12 @@
 include(posix/px4_impl_posix)
 
+# Get $QC_SOC_TARGET from environment if existing.
+if (DEFINED ENV{QC_SOC_TARGET})
+	set(QC_SOC_TARGET $ENV{QC_SOC_TARGET})
+else()
+	set(QC_SOC_TARGET "APQ8074")
+endif()
+
 set(CMAKE_TOOLCHAIN_FILE ${PX4_SOURCE_DIR}/cmake/toolchains/Toolchain-arm-linux-gnueabihf.cmake)
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PX4_SOURCE_DIR}/cmake/cmake_hexagon")

cmake/configs/qurt_sdflight_default.cmake

@@ -10,6 +10,13 @@ set(CONFIG_SHMEM "1")
 
 set(config_generate_parameters_scope ALL)
 
+# Get $QC_SOC_TARGET from environment if existing.
+if (DEFINED ENV{QC_SOC_TARGET})
+	set(QC_SOC_TARGET $ENV{QC_SOC_TARGET})
+else()
+	set(QC_SOC_TARGET "APQ8074")
+endif()
+
 set(CMAKE_TOOLCHAIN_FILE ${PX4_SOURCE_DIR}/cmake/cmake_hexagon/toolchain/Toolchain-qurt.cmake)
 
 set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PX4_SOURCE_DIR}/cmake/cmake_hexagon")