feat(stm32mp1): update memory mapping for STM32MP13

SYSRAM is only 128KB and starts at 0x2FFE0000.
SRAMs are added.
BL2 code and DTB sizes are also reduced to fit in 128KB.

Change-Id: I25da99ef5c08f8008ff00d38248d61b6045adad4
Signed-off-by: Yann Gautier <yann.gautier@st.com>
diff --git a/plat/st/stm32mp1/stm32mp1_def.h b/plat/st/stm32mp1/stm32mp1_def.h
index 801b947..1d55807 100644
--- a/plat/st/stm32mp1/stm32mp1_def.h
+++ b/plat/st/stm32mp1/stm32mp1_def.h
@@ -69,8 +69,20 @@
 #define STM32MP_ROM_SIZE		U(0x00020000)
 #define STM32MP_ROM_SIZE_2MB_ALIGNED	U(0x00200000)
 
+#if STM32MP13
+#define STM32MP_SYSRAM_BASE		U(0x2FFE0000)
+#define STM32MP_SYSRAM_SIZE		U(0x00020000)
+#define SRAM1_BASE			U(0x30000000)
+#define SRAM1_SIZE			U(0x00004000)
+#define SRAM2_BASE			U(0x30004000)
+#define SRAM2_SIZE			U(0x00002000)
+#define SRAM3_BASE			U(0x30006000)
+#define SRAM3_SIZE			U(0x00002000)
+#endif /* STM32MP13 */
+#if STM32MP15
 #define STM32MP_SYSRAM_BASE		U(0x2FFC0000)
 #define STM32MP_SYSRAM_SIZE		U(0x00040000)
+#endif /* STM32MP15 */
 
 #define STM32MP_NS_SYSRAM_SIZE		PAGE_SIZE
 #define STM32MP_NS_SYSRAM_BASE		(STM32MP_SYSRAM_BASE + \