image: Drop IMAGE_ENABLE_SHA1

We already have a host Kconfig for SHA1. Use CONFIG_IS_ENABLED(SHA1)
directly in the code shared with the host build, so we can drop the
unnecessary indirection.
Signed-off-by: NSimon Glass <sjg@chromium.org>
Reviewed-by: NAlexandru Gagniuc <mr.nuke.me@gmail.com>
Signed-off-by: NAlexandru Gagniuc <mr.nuke.me@gmail.com>

common/image-fit.c

@@ -1219,7 +1219,7 @@ int calculate_hash(const void *data, int data_len, const char *algo,
 							CHUNKSZ_CRC32);
 		*((uint32_t *)value) = cpu_to_uimage(*((uint32_t *)value));
 		*value_len = 4;
-	} else if (IMAGE_ENABLE_SHA1 && strcmp(algo, "sha1") == 0) {
+	} else if (CONFIG_IS_ENABLED(SHA1) && strcmp(algo, "sha1") == 0) {
 		sha1_csum_wd((unsigned char *)data, data_len,
 			     (unsigned char *)value, CHUNKSZ_SHA1);
 		*value_len = 20;

include/image.h

@@ -68,13 +68,9 @@ struct fdt_region;
 #  ifdef CONFIG_SPL_MD5
 #   define IMAGE_ENABLE_MD5	1
 #  endif
-#  ifdef CONFIG_SPL_FIT_SHA1
-#   define IMAGE_ENABLE_SHA1	1
-#  endif
 # else
 #  define IMAGE_ENABLE_CRC32	1
 #  define IMAGE_ENABLE_MD5	1
-#  define IMAGE_ENABLE_SHA1	1
 # endif
 
 #ifndef IMAGE_ENABLE_CRC32
@@ -85,10 +81,6 @@ struct fdt_region;
 #define IMAGE_ENABLE_MD5	0
 #endif
 
-#ifndef IMAGE_ENABLE_SHA1
-#define IMAGE_ENABLE_SHA1	0
-#endif
-
 #if defined(CONFIG_FIT_SHA256) || \
 	defined(CONFIG_SPL_FIT_SHA256)
 #define IMAGE_ENABLE_SHA256	1