fix(rme/fid): refactor RMI fid macros

Refactored RMI FID macros to simplify usage.

Signed-off-by: Subhasish Ghosh <subhasish.ghosh@arm.com>
Signed-off-by: Javier Almansa Sobrino <javier.almansasobrino@arm.com>
Change-Id: I2a0e53035c86c4473eda8219c4860941a244ae3d
1 file changed