qt5virtualkeyboard: add hashes of 3rd-party licenses

Add missing license hashes for those three third-parties:

	- src/virtualkeyboard/3rdparty/openwnn/NOTICE
	- src/virtualkeyboard/3rdparty/pinyin/NOTICE
	- src/virtualkeyboard/3rdparty/tcime/COPYING

Fixes:

	>>> qt5virtualkeyboard 5.11.1 Collecting legal info
	LICENSE.GPL3: OK (sha256: 8ceb4b9ee5adedde47b31e975c1d90c73ad27b6b165a1dcd80c7c545eb65b903)
	ERROR: No hash found for src/virtualkeyboard/3rdparty/openwnn/NOTICE
	ERROR: No hash found for src/virtualkeyboard/3rdparty/pinyin/NOTICE
	ERROR: No hash found for src/virtualkeyboard/3rdparty/tcime/COPYING
	src/virtualkeyboard/3rdparty/lipi-toolkit/MIT_LICENSE.txt: OK (sha256: 7a45a9769d19545480a241230e6ea520b5156fac00930dcd69b6886749743d10)

In order to make this possible, we use a different hash file for the
old version (2.0, used with Qt 5.6) and new (5.11, used with Qt 5.11)
versions of qt5virtualkeyboard.

Signed-off-by: Gaël PORTAY <gael.portay@savoirfairelinux.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>