lib/cbfs_core.c: Supply size of file as well in cbfs_get_file_content

Change-Id: I5b93e5321e470f19ad22ca2cfdb1ebf3b340b252
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4659
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Tested-by: build bot (Jenkins)

payloads/libpayload/include/cbfs_core.h

@@ -215,7 +215,7 @@ struct cbfs_file *cbfs_get_file(struct cbfs_media *media, const char *name);
 
 /* returns pointer to file content inside CBFS after if type is correct */
 void *cbfs_get_file_content(struct cbfs_media *media, const char *name,
-			    int type);
+			    int type, size_t *sz);
 
 /* returns decompressed size on success, 0 on failure */
 int cbfs_decompress(int algo, void *src, void *dst, int len);