fix Makefile chmod (644)
replace MD5SUM with HASH
add PKG_MIRROR_HASH when PKG_SOURCE_PROTO:=git

(PKG_SOURCE_PROTO:=svn tarballs are not reproducible for now)

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>

Standard assignment is immediate expansion without any extraneous spacing, RFC822 compliant email addresses and consistent section assignments

Signed-off-by: Stephen Walker <stephendwalker+github@gmail.com>

Change the git repository url to use https. Because it's found that in
some network environments http doesn't work.

Signed-off-by: Zhao, Gang <gang.zhao.42@gmail.com>

The patch has been merged by upstream.

Signed-off-by: Zhao, Gang <gang.zhao.42@gmail.com>

Signed-off-by: Zhao, Gang <gang.zhao.42@gmail.com>