curl: update to 7.56.0
tree25a5cdb6c1c6ca344decec920b67fa8ff5c151c6
-rw-r--r-- 1308 .gitignore
-rw-r--r-- 1132 .travis.yml
-rw-r--r-- 17987 COPYING
-rw-r--r-- 3067 Config.in
-rw-r--r-- 1273 LICENCE
-rw-r--r-- 564 Makefile
-rw-r--r-- 5652 Makefile.adk
-rw-r--r-- 917 README
-rw-r--r-- 766 THANKS
drwxr-xr-x - adk
drwxr-xr-x - docs
drwxr-xr-x - mk
drwxr-xr-x - package
-rw-r--r-- 4986 rules.mk
drwxr-xr-x - scripts
drwxr-xr-x - target
drwxr-xr-x - tasks
drwxr-xr-x - toolchain