ram: stm32mp1: increase vdd2_ddr: buck2 for 32bits LPDDR

Need to increase the LPDDR2/LPDDR3 the voltage vdd2_ddr: buck2
form 1.2V to 1.25V for 32bits configuration.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Acked-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/arch/arm/mach-stm32mp/include/mach/ddr.h b/arch/arm/mach-stm32mp/include/mach/ddr.h
index b8a17cf..bfc42a7 100644
--- a/arch/arm/mach-stm32mp/include/mach/ddr.h
+++ b/arch/arm/mach-stm32mp/include/mach/ddr.h
@@ -9,8 +9,10 @@
 /* DDR power initializations */
 enum ddr_type {
 	STM32MP_DDR3,
-	STM32MP_LPDDR2,
-	STM32MP_LPDDR3,
+	STM32MP_LPDDR2_16,
+	STM32MP_LPDDR2_32,
+	STM32MP_LPDDR3_16,
+	STM32MP_LPDDR3_32,
 };
 
 int board_ddr_power_init(enum ddr_type ddr_type);