Disabling things can be done through "chicken bits" on configuration registers, no microcode necessary. Do you know of any ARM cores used on smarphones which a

Disabling things can be done through "chicken bits" on configuration registers, no microcode necessary. Do you know of any ARM cores used on smarphones which actually have updatable microcode? I've never heard of any. All errata fixes I've seen are of the "set this bit in a specific register" kind.