- change drv_hztomsec description to truncate instead of roundup
- change drv_hztomsec description to truncate instead of roundup

0x7678/openss7,0x7678/openss7,openss7/openss7,0x7678/openss7,openss7/openss7,kerr-huang/openss7,kerr-huang/openss7,kerr-huang/openss7,openss7/openss7,kerr-huang/openss7,kerr-huang/openss7,kerr-huang/openss7,0x7678/openss7,openss7/openss7,0x7678/openss7,kerr-huang/openss7,openss7/openss7,openss7/openss7,0x7678/openss7,openss7/openss7,0x7678/openss7,kerr-huang/openss7,openss7/openss7,0x7678/openss7