refactor(fvp): move image handling into generic procedure

Post image handling of the HW_CONFIG is out-of-scope for
`plat_get_next_bl_params`. Move parts of the code responsible for post
processing of loaded images into `bl2_plat_handle_post_image_load` for code
reusability and maintainability.

Change-Id: I476b3d306ebcd4529f5e542ba1063e144920bb5f
Signed-off-by: Harrison Mutai <harrison.mutai@arm.com>
1 file changed