MAINTAINERS: Add pasemi i2c to ARM/APPLE MACHINE

Add the pasemi i2c platform and core files to the ARM/APPLE MACHINE
entry in MAINTAINERS.

Signed-off-by: Sven Peter <sven@svenpeter.dev>
Acked-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Hector Martin <marcan@marcan.st>