cbfs: Add cbfs_boot_load_file()

Generalize cbfs_boot_load_struct() by passing in CBFS type

Change-Id: I6e5f845cb4ce5b00f01a39619919f85e39028f19
Signed-off-by: T Michael Turney <mturney@codeaurora.org>
Reviewed-on: https://review.coreboot.org/25648
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>

src/lib/cbfs.c

@@ -182,12 +182,12 @@ void *cbfs_boot_load_stage_by_name(const char *name)
 	return prog_entry(&stage);
 }
 
-size_t cbfs_boot_load_struct(const char *name, void *buf, size_t buf_size)
+size_t cbfs_boot_load_file(const char *name, void *buf, size_t buf_size,
+			   uint32_t type)
 {
 	struct cbfsf fh;
 	uint32_t compression_algo;
 	size_t decompressed_size;
-	uint32_t type = CBFS_TYPE_STRUCT;
 
 	if (cbfs_boot_locate(&fh, name, &type) < 0)
 		return 0;