fix(build): convert tabs to spaces

Convert any used tabs in arch_features.mk to spaces to avoid makefile
build issues. Only recipes should be indented with tabs.

ENABLE_TRBE_FOR_NS should be enabled only for aarch64 but accidentally
its enabled for aarch32 as well in FVP makefile.

Change-Id: Iee913a04d6b60a4738183a17421754c2638e8e6d
Signed-off-by: Govindraj Raja <govindraj.raja@arm.com>
2 files changed