nitrogen8mm: add fsp_table to lpddr4_timing

Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>

board/boundary/nitrogen8mm/lpddr4_timing.c

@@ -1285,4 +1285,5 @@ struct dram_timing_info lpddr4_timing = {
 	.fsp_msg_num = ARRAY_SIZE(lpddr4_dram_fsp_msg),
 	.ddrphy_pie = lpddr4_phy_pie,
 	.ddrphy_pie_num = ARRAY_SIZE(lpddr4_phy_pie),
+	.fsp_table = { 3000, 400, 100, },
 };