sim: Link to libosmocore and libosmogsm

The big LIBOSMOCORE_CFLAGS and LIBOSMOCORE_LIBS macros are not
defined when building linosmocore. Use the .la files directly

Fixes:
dpkg-shlibdeps: warning: symbol osmo_hexdump used by debian/libosmosim0/usr/lib/libosmosim.so.0.0.0 found in none of the libraries
dpkg-shlibdeps: warning: symbol gsm48_parse_ra used by debian/libosmosim0/usr/lib/libosmosim.so.0.0.0 found in none of the libraries
dpkg-shlibdeps: warning: symbol _talloc_zero used by debian/libosmosim0/usr/lib/libosmosim.so.0.0.0 found in none of the libraries
dpkg-shlibdeps: warning: symbol _talloc_memdup used by debian/libosmosim0/usr/lib/libosmosim.so.0.0.0 found in none of the libraries
dpkg-shlibdeps: warning: symbol talloc_strndup used by debian/libosmosim0/usr/lib/libosmosim.so.0.0.0 found in none of the libraries
dpkg-shlibdeps: warning: symbol msgb_length used by debian/libosmosim0/usr/lib/libosmosim.so.0.0.0 found in none of the libraries
dpkg-shlibdeps: warning: symbol msgb_alloc used by debian/libosmosim0/usr/lib/libosmosim.so.0.0.0 found in none of the libraries
dpkg-shlibdeps: warning: symbol msgb_free used by debian/libosmosim0/usr/lib/libosmosim.so.0.0.0 found in none of the libraries
dpkg-shlibdeps: warning: symbol talloc_strdup used by debian/libosmosim0/usr/lib/libosmosim.so.0.0.0 found in none of the libraries
dpkg-shlibdeps: warning: symbol talloc_free used by debian/libosmosim0/usr/lib/libosmosim.so.0.0.0 found in none of the libraries
1 file changed