klibc: fix sh deps ver (PR is needed after PV)

Revert commit dd1ca18f

 removing ${PR}. Bad idea.
The shared lib could not be found giving this error:

Collected errors:
 * satisfy_dependencies_for: Cannot satisfy the following dependencies for
   klibc-utils-XXX:
 * 	libklibc (= 2.0.4) *
 * opkg_install: Cannot install package klibc-utils-XXX.

Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>