plat: marvell: armada: reduce memory size reserved for FIP image

It is not needed to reserve 64MB for FIP. Limit this to 4MB
for both supported Armada SoC families.

Change-Id: I58a8ce4408a646fe1afd3c1ea1ed54007c8d205d
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
[Extract from bigger commit]
Signed-off-by: Marcin Wojtas <mw@semihalf.com>

plat/marvell/armada/a3k/common/include/platform_def.h

@@ -81,8 +81,8 @@
 #define PLAT_MARVELL_CLUSTER_CORE_COUNT		U(2)
 /* DRAM[2MB..66MB] is used  as Trusted ROM */
 #define PLAT_MARVELL_TRUSTED_ROM_BASE		PLAT_MARVELL_ATF_LOAD_ADDR
-/* 64 MB TODO: reduce this to minimum needed according to fip image size*/
-#define PLAT_MARVELL_TRUSTED_ROM_SIZE		0x04000000
+/* 4 MB for FIP image */
+#define PLAT_MARVELL_TRUSTED_ROM_SIZE		0x00400000
 /* Reserve 16M for SCP (Secure PayLoad) Trusted DRAM */
 #define PLAT_MARVELL_TRUSTED_RAM_BASE		0x04400000
 #define PLAT_MARVELL_TRUSTED_RAM_SIZE		0x01000000	/* 16 MB */

plat/marvell/armada/a8k/common/include/platform_def.h

@@ -94,8 +94,8 @@
 
 /* Part of DRAM that is used as Trusted ROM */
 #define PLAT_MARVELL_TRUSTED_ROM_BASE		PLAT_MARVELL_ATF_LOAD_ADDR
-/* 64 MB TODO: reduce this to minimum needed according to fip image size */
-#define PLAT_MARVELL_TRUSTED_ROM_SIZE		0x04000000
+/* 4 MB for FIP image */
+#define PLAT_MARVELL_TRUSTED_ROM_SIZE		0x00400000
 /* Reserve 16M for SCP (Secure PayLoad) Trusted RAM */
 #define PLAT_MARVELL_TRUSTED_RAM_BASE		0x04400000
 #define PLAT_MARVELL_TRUSTED_RAM_SIZE		0x01000000	/* 16 MB DRAM */