meta: have uprobe feature use uprobe.cfg

The uprobe feature includes the patches for uprobes but doesn't
include config options for it - add them.

Also, add description and compatibility strings.

Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>

features/uprobe/uprobe.scc

+define KFEATURE_DESCRIPTION "Enable options required for uprobes support"
+define KFEATURE_COMPATIBILITY all
+
+kconf non-hardware uprobe.cfg
+
 # place holder for uprobe