doxygen misc. warning

[avan989]

Describe the bug
osal/src/os/inc/osapi-os-core.h:233: warning: The following parameters of OS_ConvertToArrayIndex(uint32 object_id, uint32 *ArrayIndex) are not documented:
parameter 'ArrayIndex'

osal/src/os/inc/osapi-os-core.h:311: warning: argument 'milliseconds' of command @param is not found in the argument list of OS_TaskDelay(uint32 millisecond)

osal/src/os/inc/osapi-os-core.h:319: warning: The following parameters of OS_TaskDelay(uint32 millisecond) are not documented:
parameter 'millisecond'

osal/src/os/inc/osapi-os-core.h:332: warning: The following parameters of OS_TaskSetPriority(uint32 task_id, uint32 new_priority) are not documented:
parameter 'new_priority'

osal/src/os/inc/osapi-os-filesys.h:247: warning: The following parameters of OS_open(const char *path, int32 access, uint32 mode) are not documented:
parameter 'mode'

To Reproduce
Steps to reproduce the behavior:

1. make usersguide
2. See error

System observed on:

• Hardware
• Ubuntu 18.04
• doxygen 1.8.13, rc-6.7.0

Reporter Info
Anh Van, NASA Goddard