refactor(neoverse-rd): clean-up nrd_plat_arm_def2.h file

Consolidate and organize platform port definitions within the
nrd_plat_arm_def2.h file. Remove direct references to addresses with
corresponding RoS or CSS definitions.

Signed-off-by: Rohit Mathew <rohit.mathew@arm.com>
Change-Id: Ic43cff90d2cf45760b3f808732754cf7c05a814a
3 files changed