refactor(fvp): nv ctr addr static helper function

Adding a static helper function plat_get_nv_ctr_addr() to be used by
both plat_set_nv_ctr() and plat_get_nv_ctr() to return the
non-volatile counter address stored in the platform.

Change-Id: I5124c19e4537bb369724aa0160cc55a3cb1ab7eb
Signed-off-by: Lauren Wehrmeister <lauren.wehrmeister@arm.com>
1 file changed