Update maintainers file

Add Infineon company name (Cypress is now owned by Infineon).
Add Chris Brand, Ken Liu, David Hu as new miantainers.
Remove Abhishek Pandit, Ashutosh Singh, Miklos Balint from mainteiners.

Change-Id: Iddac1b24d455f55aec01bdde6857cf4b18233fca
Signed-off-by: Chris Brand <chris.brand@cypress.com>
Signed-off-by: Anton Komlev <anton.komlev@arm.com>
1 file changed