libckteec: Fix CK_ULONG conversions in C_GetTokenInfo()

When running in 64 bit CPU things like ulMaxSessionCount would get value
of 4294967295 instead of ~0.

Adjust all other CK_ULONG fields supporting CK_UNAVAILABLE_INFORMATION.

Signed-off-by: Vesa Jääskeläinen <vesa.jaaskelainen@vaisala.com>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>