ARM: bootm: take into account gd->ram_top

If gd->ram_top has been tuned using board_get_usable_ram_top(),
it must be taken into account when reserving arch lmb.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Patrick DELAUNAY <patrick.delaunay@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
1 file changed