Add entry for Microchip.

Link: https://lore.kernel.org/r/159864166227.12131.3427629298809272795.stgit@brunhildaReviewed-by: NScott Teel <scott.teel@microsemi.com>
Reviewed-by: NScott Benesh <scott.benesh@microsemi.com>
Signed-off-by: NDon Brace <don.brace@microsemi.com>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>