maintainers: Update directfb/ghostscript/libnewt/qmmp ownership

(From meta-yocto rev: e5ced15bcec6c61d39df977cd53b92ab62374f68)

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
beaglebonetarget.py: Add support for get_extra_files() classmethod

[YOCTO #6254]

Adding support for the get_extra_files() method to the BeagleBoneTarget class.

(From meta-yocto rev: b719ff579fe2a5f5a0d19a9091eaa37e0f145384)

Signed-off-by: Corneliu Stoicescu <corneliux.stoicescu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
controllers/beaglebonetarget.py: enable dynamical determination of rootfs type

[YOCTO #6375]

(From meta-yocto rev: 953b51b2ba5862ad24e2ad4f6cf9cefff7af14c9)

Signed-off-by: Corneliu Stoicescu <corneliux.stoicescu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
controllers/edgeroutertarget.py: enable dynamical determination of rootfs type

[YOCTO #6375]

(From meta-yocto rev: 375ab07adf29e94ae09b7c087dec4ca1443babfc)

Signed-off-by: Corneliu Stoicescu <corneliux.stoicescu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>