SST: Fix return value for tfm_sst_remove

This patch updates tfm_sst_remove to return
TFM_SST_ERR_OPERATION_FAILED instead of
TFM_SST_ERR_AUTH_FAILED as PSA_PS_ERROR_AUTH_FAILED is not
an error type in psa_ps_remove specification.

Change-Id: I53e4f648f99560beef4811ba4c914477d9ffbf63
Signed-off-by: Marc Moreno <marc.morenoberengue@arm.com>
1 file changed