plat: marvell: add support for PLL 2.2GHz mode

Change-Id: Icb8fe14417665d6aadd5a5ee2b77547b4ef78773
Signed-off-by: Grzegorz Jaszczyk <jaz@semihalf.com>
diff --git a/drivers/marvell/ap807_clocks_init.c b/drivers/marvell/ap807_clocks_init.c
index 04c256b..5604453 100644
--- a/drivers/marvell/ap807_clocks_init.c
+++ b/drivers/marvell/ap807_clocks_init.c
@@ -96,6 +96,11 @@
 	case CPU_2000_DDR_1200_RCLK_1200:
 		pll_set_freq(PLL_FREQ_2000);
 		break;
+#ifdef MVEBU_SOC_AP807
+	case CPU_2200_DDR_1200_RCLK_1200:
+		pll_set_freq(PLL_FREQ_2200);
+		break;
+#endif
 	default:
 		break;
 	}