libs: Add linking dependencies to libcopperplate and libsmokey

ALT rpmbuild QA script detects that libsmokey and libcopperplate is improperly
linked (when built for Mercury core).

Excerpt from the error message:
  verify-elf: ERROR: ./usr/lib64/libsmokey.so.0.0.0: undefined symbol: get_mem_size
  verify-elf: ERROR: ./usr/lib64/libcopperplate.so.0.0.0: undefined symbol: get_mem_size

Signed-off-by: Vitaly Chikunov <vt@altlinux.org>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
11 jobs for next in 29 minutes and 45 seconds (queued for 23 seconds)
Status Job ID Name Coverage
  Build
passed #149791
arm-4.14-release

00:26:19

passed #149790
arm-4.19-release

00:27:37

passed #149792
arm-4.4-cip-head

00:21:09

passed #149794
arm64-4.14-release

00:25:16

passed #149793
arm64-4.19-release

00:29:45

passed #149800
powerpc-4.19-release

00:13:49

passed #149797
x86-4.14-release

00:15:21

passed #149795
x86-4.19-cip-head

00:15:35

passed #149796
x86-4.19-cip-release

00:15:50

passed #149798
x86-4.4-cip-head

00:12:57

passed #149799
x86-4.4-cip-release

00:13:02