tpm2_nv_util: add space between preceeding function
tpm2_nv_util: add space between preceeding function

Add a space between the preceeding routine and the start
of the doxygen comment block.

Signed-off-by: William Roberts <60148e894dabf0b83bde1d460768794cd453c455@intel.com>

martinezjavier/tpm2-tools,01org/tpm2.0-tools,martinezjavier/tpm2-tools,martinezjavier/tpm2-tools,01org/tpm2.0-tools,martinezjavier/tpm2-tools,01org/tpm2.0-tools