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>

Fixes build errors/warnings:

locfile.c: In function 'locfile_init':
locfile.c:21:3: error: 'for' loop initial declarations are only allowed
in C99 mode
   for (int i=0; i<length; i++) {

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

There is a gcc related bug that causes the following issue on MIPS:
Assertion failed: jv_get_kind(a) == JV_KIND_STRING (jv.c: jvp_string_ptr: 435)

This patch will disable SRA optimizations on MIPS platform and prevent
the above issue.

Signed-off-by: Marko Ratkaj <marko.ratkaj@sartura.hr>

jq is a lightweight and flexible command-line JSON processor.

Signed-off-by: Marko Ratkaj <marko.ratkaj@sartura.hr>