Use the macros defined in endian.h for endianess conversion.
Fix the conversion of a 64bit variable.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Implement a control channel for the 'chardev' swtpm that implements
a minimal set of control messages for now.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>