Revert "Merge patch series "pxe: Precursor series for supporting read_all() in extlinux / PXE""

This reverts commit 8bc3542384e3a1219e5ffb62b79d16dddc1b1fb9, reversing
changes made to 698edd63eca090a2e299cd3facf90a0b97bed677.

There are still problems with this series to work out.

Link: https://lore.kernel.org/u-boot/CAFLszTjw_MJbK9tpzVYi3XKGazcv55auBAdgVzcAVUta7dRqcg@mail.gmail.com/
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/image.h b/include/image.h
index 2455baa..c1db838 100644
--- a/include/image.h
+++ b/include/image.h
@@ -244,7 +244,7 @@
  * New IDs *MUST* be appended at the end of the list and *NEVER*
  * inserted for backward compatibility.
  */
-enum image_comp_t {
+enum {
 	IH_COMP_NONE		= 0,	/*  No	 Compression Used	*/
 	IH_COMP_GZIP,			/* gzip	 Compression Used	*/
 	IH_COMP_BZIP2,			/* bzip2 Compression Used	*/
@@ -598,13 +598,10 @@
 		   ulong *setup_len);
 
 /* Image format types, returned by _get_format() routine */
-enum image_fmt_t {
-	IMAGE_FORMAT_INVALID,
-	IMAGE_FORMAT_LEGACY,		/* legacy image_header based format */
-	IMAGE_FORMAT_FIT,		/* new, libfdt based format */
-	IMAGE_FORMAT_ANDROID,		/* Android boot image */
-	IMAGE_FORMAT_BOOTI,		/* Arm64/RISC-V boot image */
-};
+#define IMAGE_FORMAT_INVALID	0x00
+#define IMAGE_FORMAT_LEGACY	0x01	/* legacy image_header based format */
+#define IMAGE_FORMAT_FIT	0x02	/* new, libfdt based format */
+#define IMAGE_FORMAT_ANDROID	0x03	/* Android boot image */
 
 /**
  * genimg_get_kernel_addr_fit() - Parse FIT specifier
@@ -633,43 +630,10 @@
 				 const char **fit_uname_kernel);
 
 ulong genimg_get_kernel_addr(char * const img_addr);
-
-/**
- * genimg_get_format - get image format type
- * @img_addr: image start address
- * Return: image format type or IMAGE_FORMAT_INVALID if no image is present
- *
- * genimg_get_format() checks whether provided address points to a valid
- * legacy or FIT image.
- *
- * New uImage format and FDT blob are based on a libfdt. FDT blob
- * may be passed directly or embedded in a FIT image. In both situations
- * genimg_get_format() must be able to dectect libfdt header.
- */
-enum image_fmt_t genimg_get_format(const void *img_addr);
-
-/**
- * genimg_get_format_comp() - Like genimg_get_format() but adds compressed booti
- *
- * If a compressed file is detected (with image_decomp_type()) and
- * CONFIG_CMD_BOOTI is enabled, then this returns IMAGE_FORMAT_BOOTI
- *
- * @img_addr: image start address
- * Return: image format type or IMAGE_FORMAT_INVALID if no image is present
- */
-enum image_fmt_t genimg_get_format_comp(const void *img_addr);
-
+int genimg_get_format(const void *img_addr);
 int genimg_has_config(struct bootm_headers *images);
 
 /**
- * booti_is_valid() - Check if an image appears to be an Arm64 image
- *
- * @img: Pointer to image
- * Return: true if the image has the Arm64 magic
- */
-bool booti_is_valid(const void *img);
-
-/**
  * boot_get_fpga() - Locate the FPGA image
  *
  * @images: Information about images being loaded