package/supertuxkart: bump to version v1.1

package/supertuxkart: bump to version v1.1

- Add harfbuzz and fribifi dependencies for text handling in STK [1].
- Fribidi is now mandatory.
- Add optional support for sqlite3 (manage server stats and ban list) [2].
- Add an option to use openssl instead of nettle for cryptography [3].
- Use bundled libmcpp library since there is no such package in Buildroot.
- Add license file hash.

[1] https://github.com/supertuxkart/stk-code/commit/43d322c6341fcd999cbd14a903ff2e56b88abc5b
[2] https://github.com/supertuxkart/stk-code/commit/bcc3aef4c87d8326bcb4206dd4887a38064cc57a
[3] https://github.com/supertuxkart/stk-code/commit/173e3907556070f07e1c77ad5ae20d56dad757c2

See:
https://github.com/supertuxkart/stk-code/blob/1.1/CHANGELOG.md
http://blog.supertuxkart.net/2020/01/supertuxkart-11-released.html

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>