class/auto-package-libs: Add support for using LIBSUFFIX_* as list
class/auto-package-libs: Add support for using LIBSUFFIX_* as list

Allow specifying LIBSUFFIX_* variables as a space seperated list of
library suffixes.

diorcety/oe-lite-core,sknsean/core,sknsean/core,diorcety/oe-lite-core,hundeboll/core,sknsean/core,hundeboll/core,sknsean/core,hundeboll/core,hundeboll/core,sknsean/core