treewide: Drop image_header_t typedef

This is not needed and we should avoid typedefs. Use the struct instead
and rename it to indicate that it really is a legacy struct.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/mach-aspeed/ast2600/spl.c b/arch/arm/mach-aspeed/ast2600/spl.c
index 53c8a15..0952e73 100644
--- a/arch/arm/mach-aspeed/ast2600/spl.c
+++ b/arch/arm/mach-aspeed/ast2600/spl.c
@@ -56,9 +56,9 @@
 	return BOOT_DEVICE_RAM;
 }
 
-struct image_header *spl_get_load_buffer(ssize_t offset, size_t size)
+struct legacy_img_hdr *spl_get_load_buffer(ssize_t offset, size_t size)
 {
-	return (struct image_header *)(CONFIG_SYS_LOAD_ADDR);
+	return (struct legacy_img_hdr *)(CONFIG_SYS_LOAD_ADDR);
 }
 
 #ifdef CONFIG_SPL_OS_BOOT
diff --git a/arch/arm/mach-imx/hab.c b/arch/arm/mach-imx/hab.c
index 0d1a776..c6747b2 100644
--- a/arch/arm/mach-imx/hab.c
+++ b/arch/arm/mach-imx/hab.c
@@ -589,7 +589,7 @@
 	switch (genimg_get_format(buf)) {
 #if CONFIG_IS_ENABLED(LEGACY_IMAGE_FORMAT)
 	case IMAGE_FORMAT_LEGACY:
-		return (image_get_image_size((image_header_t *)img_addr)
+		return (image_get_image_size((struct legacy_img_hdr *)img_addr)
 			+ 0x1000 - 1)  & ~(0x1000 - 1);
 #endif
 #if CONFIG_IS_ENABLED(FIT)
diff --git a/arch/arm/mach-imx/spl_imx_romapi.c b/arch/arm/mach-imx/spl_imx_romapi.c
index 07bf07b..aa5d23a 100644
--- a/arch/arm/mach-imx/spl_imx_romapi.c
+++ b/arch/arm/mach-imx/spl_imx_romapi.c
@@ -72,7 +72,7 @@
 	int ret;
 	u32 offset;
 	u32 pagesize, size;
-	struct image_header *header;
+	struct legacy_img_hdr *header;
 	u32 image_offset;
 
 	ret = rom_api_query_boot_infor(QUERY_IVT_OFF, &offset);
@@ -84,14 +84,14 @@
 		return -1;
 	}
 
-	header = (struct image_header *)(CONFIG_SPL_IMX_ROMAPI_LOADADDR);
+	header = (struct legacy_img_hdr *)(CONFIG_SPL_IMX_ROMAPI_LOADADDR);
 
 	printf("image offset 0x%x, pagesize 0x%x, ivt offset 0x%x\n",
 	       image_offset, pagesize, offset);
 
 	offset = spl_romapi_get_uboot_base(image_offset, rom_bt_dev);
 
-	size = ALIGN(sizeof(struct image_header), pagesize);
+	size = ALIGN(sizeof(struct legacy_img_hdr), pagesize);
 	ret = rom_api_download_image((u8 *)header, offset, size);
 
 	if (ret != ROM_API_OKAY) {
diff --git a/arch/arm/mach-k3/sysfw-loader.c b/arch/arm/mach-k3/sysfw-loader.c
index b3beeca..aea640b 100644
--- a/arch/arm/mach-k3/sysfw-loader.c
+++ b/arch/arm/mach-k3/sysfw-loader.c
@@ -88,10 +88,10 @@
  * Populate SPL hook to override the default load address used by the SPL
  * loader function with a custom address for SYSFW loading.
  */
-struct image_header *spl_get_load_buffer(ssize_t offset, size_t size)
+struct legacy_img_hdr *spl_get_load_buffer(ssize_t offset, size_t size)
 {
 	if (sysfw_loaded)
-		return (struct image_header *)(CONFIG_SYS_TEXT_BASE + offset);
+		return (struct legacy_img_hdr *)(CONFIG_SYS_TEXT_BASE + offset);
 	else if (sysfw_load_address)
 		return sysfw_load_address;
 	else
@@ -490,7 +490,7 @@
 	sysfw_loaded = true;
 
 	/* Ensure the SYSFW image is in FIT format */
-	if (image_get_magic((const image_header_t *)sysfw_load_address) !=
+	if (image_get_magic((const struct legacy_img_hdr *)sysfw_load_address) !=
 	    FDT_MAGIC)
 		panic("SYSFW image not in FIT format!\n");
 
diff --git a/arch/arm/mach-keystone/cmd_mon.c b/arch/arm/mach-keystone/cmd_mon.c
index e26296b..4734e4c 100644
--- a/arch/arm/mach-keystone/cmd_mon.c
+++ b/arch/arm/mach-keystone/cmd_mon.c
@@ -17,7 +17,7 @@
 {
 	u32 addr, dpsc_base = 0x1E80000, freq, load_addr, size;
 	int     rcode = 0;
-	struct image_header *header;
+	struct legacy_img_hdr *header;
 	u32 ecrypt_bm_addr = 0;
 
 	if (argc < 2)
@@ -27,7 +27,7 @@
 
 	addr = hextoul(argv[1], NULL);
 
-	header = (struct image_header *)addr;
+	header = (struct legacy_img_hdr *)addr;
 
 	if (image_get_magic(header) != IH_MAGIC) {
 		printf("## Please update monitor image\n");
@@ -36,7 +36,7 @@
 
 	load_addr = image_get_load(header);
 	size = image_get_data_size(header);
-	memcpy((void *)load_addr, (void *)(addr + sizeof(struct image_header)),
+	memcpy((void *)load_addr, (void *)(addr + sizeof(struct legacy_img_hdr)),
 	       size);
 
 	if (argc >=  3)
diff --git a/arch/arm/mach-sunxi/spl_spi_sunxi.c b/arch/arm/mach-sunxi/spl_spi_sunxi.c
index de9aa68..925bf85 100644
--- a/arch/arm/mach-sunxi/spl_spi_sunxi.c
+++ b/arch/arm/mach-sunxi/spl_spi_sunxi.c
@@ -335,10 +335,10 @@
 			      struct spl_boot_device *bootdev)
 {
 	int ret = 0;
-	struct image_header *header;
-	header = (struct image_header *)(CONFIG_SYS_TEXT_BASE);
+	struct legacy_img_hdr *header;
 	uint32_t load_offset = sunxi_get_spl_size();
 
+	header = (struct legacy_img_hdr *)CONFIG_SYS_TEXT_BASE;
 	load_offset = max_t(uint32_t, load_offset, CONFIG_SYS_SPI_U_BOOT_OFFS);
 
 	spi0_init();