samples: thrift: add dependencies for c11 threads

The thrift hello/client sample did not have the required
kconfig options for some reason.

Adding these seemed to fix the issue.

CONFIG_COMMON_LIBC_THRD=y
CONFIG_DYNAMIC_THREAD=y
CONFIG_THREAD_STACK_INFO=y

Signed-off-by: Chris Friedt <chrisfriedt@gmail.com>