Release 0.3.3 of imxrt-boot-gen

Add support for the 1180 family.

Prepare 0.3.3 -boot-gen, 1180evk-fcb releases

Fixate the -fcb package to -boot-gen 0.3.3, the release that introduces
1180 support. The other -fcb packages should also track the specific
-boot-gen version they support; that's a future TODO / lesson learned.

Add 1050 support

Release 0.3.1

Add support for imxrt1020 MCUs.

Release 0.3.0

Add support for 1170 chips, and publish FCBs for the 1010 and 1170 EVKs.
See the CHANGELOG for more information.

Release 0.2.1

Fix ipCmdSerialClkFreq field width. See the CHANGELOG for more
information.

Release 0.2.0 of the imxrt-boot-gen crate

See the CHANGELOG for details on the new, const API.

Release v0.1.0