Use system c-ares via PACKAGECONFIG by default. So far,
nodejs had been built using its embedded copy of c-ares,
which we generally try to avoid, for the known reasons
(independent updates, cve & license checks, etc).
Notes:
* otherwise nodejs uses its bundled version of c-ares
* the PACKAGECONFIG variable is 'ares' so as to be in
line with other uses of this (wget & curl recipes in
OE core)
Signed-off-by: André Draszik <git@andred.net>
Signed-off-by: Khem Raj <raj.khem@gmail.com>