qemu: Update flash address map to keep FIP in secure FLASH0

Secure FLASH0 memory map looks like:
- Offset: 0 to 256K -> bl1.bin
- Offset: 256K to 4.25M -> fip.bin

FLASH1 is normally used via UEFI/edk2 to keep varstore.
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Change-Id: I6883f556c22d6a5d3fa3846c703bebc2abe36765

plat/qemu/qemu/include/platform_def.h

@@ -196,8 +196,8 @@
 #define QEMU_FLASH1_BASE		0x04000000
 #define QEMU_FLASH1_SIZE		0x04000000
 
-#define PLAT_QEMU_FIP_BASE		QEMU_FLASH1_BASE
-#define PLAT_QEMU_FIP_MAX_SIZE		QEMU_FLASH1_SIZE
+#define PLAT_QEMU_FIP_BASE		0x00040000
+#define PLAT_QEMU_FIP_MAX_SIZE		0x00400000
 
 #define DEVICE0_BASE			0x08000000
 #define DEVICE0_SIZE			0x01000000