This patch allows to initialize softhsm2 token
as non-root user, by merely setting SOFTHSM2_CONF,
CI Envrionment should be updated to leverage SOFTHSM2_CONF.

Change-Id: I9fdc9c837859a78619d9edc9e2e3fbe8733f04af
Signed-off-by: Krishna Harsha Voora <krishvoor@in.ibm.com>