uboot-oxnas: fix build error on non-linux systems

Signed-off-by: Felix Fietkau <[email protected]>

package/boot/uboot-oxnas/patches/020-socfpgaimage_portability.patch

@@ -0,0 +1,52 @@
+--- a/tools/socfpgaimage.c
++++ b/tools/socfpgaimage.c
+@@ -74,12 +74,12 @@ static uint16_t hdr_checksum(struct socf
+ static void build_header(uint8_t *buf, uint8_t version, uint8_t flags,
+ 			 uint16_t length_bytes)
+ {
+-	header.validation = htole32(VALIDATION_WORD);
++	header.validation = cpu_to_le32(VALIDATION_WORD);
+ 	header.version = version;
+ 	header.flags = flags;
+-	header.length_u32 = htole16(length_bytes/4);
++	header.length_u32 = cpu_to_le16(length_bytes/4);
+ 	header.zero = 0;
+-	header.checksum = htole16(hdr_checksum(&header));
++	header.checksum = cpu_to_le16(hdr_checksum(&header));
+ 
+ 	memcpy(buf, &header, sizeof(header));
+ }
+@@ -92,12 +92,12 @@ static int verify_header(const uint8_t *
+ {
+ 	memcpy(&header, buf, sizeof(header));
+ 
+-	if (le32toh(header.validation) != VALIDATION_WORD)
++	if (le32_to_cpu(header.validation) != VALIDATION_WORD)
+ 		return -1;
+-	if (le16toh(header.checksum) != hdr_checksum(&header))
++	if (le16_to_cpu(header.checksum) != hdr_checksum(&header))
+ 		return -1;
+ 
+-	return le16toh(header.length_u32) * 4;
++	return le16_to_cpu(header.length_u32) * 4;
+ }
+ 
+ /* Sign the buffer and return the signed buffer size */
+@@ -116,7 +116,7 @@ static int sign_buffer(uint8_t *buf,
+ 	/* Calculate and apply the CRC */
+ 	calc_crc = ~pbl_crc32(0, (char *)buf, len);
+ 
+-	*((uint32_t *)(buf + len)) = htole32(calc_crc);
++	*((uint32_t *)(buf + len)) = cpu_to_le32(calc_crc);
+ 
+ 	if (!pad_64k)
+ 		return len + 4;
+@@ -150,7 +150,7 @@ static int verify_buffer(const uint8_t *
+ 
+ 	calc_crc = ~pbl_crc32(0, (const char *)buf, len);
+ 
+-	buf_crc = le32toh(*((uint32_t *)(buf + len)));
++	buf_crc = le32_to_cpu(*((uint32_t *)(buf + len)));
+ 
+ 	if (buf_crc != calc_crc) {
+ 		fprintf(stderr, "CRC32 does not match (%08x != %08x)\n",