Microchip license

[armijnhemel]

Description

Currently there are already some rules for proprietary Microchip licenses, but not all of them are caught:

https://github.com/mentatpsi/Microchip/blob/master/Microchip/TCPIP%20Stack/ENC28J60.c

This one has specific restrictions for certain files.

[DennisClark]

New license LicenseRef-scancode-microchip-enc28j60-2009 created in DejaCode enterprise and public. Proprietary Free.

@AyanSinhaMahapatra please synchronize when you have time, thanks.

[AyanSinhaMahapatra]

Added in #4478, added also to licensedb and license-expression v30.4.4 , closing.